@font-face{font-family:Vazirmatn;src:url('/fonts/vazirmatn-regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('/fonts/vazirmatn-semibold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('/fonts/vazirmatn-bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
:root{--bg:#fff;--surface:#f7f7f8;--surface-2:#ececf1;--sidebar:#f7f7f8;--text:#202123;--muted:#6b6c70;--border:#e4e4e7;--green:#10a37f;--green-dark:#0d8f70;--danger:#d92d20;--shadow:0 18px 55px rgba(16,24,40,.13);--radius:16px;color-scheme:light}
[data-theme=dark]{--bg:#212121;--surface:#2f2f2f;--surface-2:#383838;--sidebar:#171717;--text:#ececec;--muted:#a5a5a5;--border:#414141;--green:#19c49b;--green-dark:#16ac89;--shadow:0 18px 55px rgba(0,0,0,.38);color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Vazirmatn,Tahoma,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-only{display:none!important}
.loading-screen{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:var(--bg);z-index:100}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700}.brand-mark{width:46px;height:46px;border-radius:15px;background:linear-gradient(145deg,#15b98d,#087c61);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 24px rgba(16,163,127,.25)}.brand-mark.small{width:34px;height:34px;border-radius:11px}.eyebrow{font-size:12px;font-weight:700;color:var(--green);letter-spacing:.02em}
.auth-view{min-height:100vh;display:grid;grid-template-columns:minmax(400px,46%) 1fr;background:var(--bg)}.auth-brand{position:relative;overflow:hidden;padding:56px clamp(36px,6vw,96px);color:#fff;background:radial-gradient(circle at 15% 15%,rgba(255,255,255,.16),transparent 25%),linear-gradient(145deg,#064e3b 0%,#0c8063 48%,#0fa17c 100%);display:flex;flex-direction:column}.auth-brand:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(255,255,255,.16);border-radius:50%;left:-160px;bottom:-180px;box-shadow:0 0 0 70px rgba(255,255,255,.035),0 0 0 140px rgba(255,255,255,.025)}.auth-logo{color:#fff;position:relative;z-index:1}.auth-logo .brand-mark{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);box-shadow:none}.auth-copy{margin:auto 0 36px;position:relative;z-index:1;max-width:620px}.auth-copy .eyebrow{color:#bcf5e7}.auth-copy h1{font-size:clamp(40px,5vw,68px);line-height:1.22;margin:14px 0 20px;letter-spacing:-.04em}.auth-copy p{font-size:18px;line-height:2;color:rgba(255,255,255,.8);max-width:560px}.auth-benefits{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:15px;position:relative;z-index:1}.auth-benefits li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.9)}.auth-benefits span{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.14)}.independent-note{font-size:11px;color:rgba(255,255,255,.58);position:relative;z-index:1}.auth-panel{display:grid;place-items:center;padding:36px}.auth-card{width:min(440px,100%)}.mobile-brand{display:none;margin-bottom:36px;justify-content:center}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;padding:5px;background:var(--surface);border-radius:13px;margin-bottom:34px}.auth-tab{border:0;background:transparent;color:var(--muted);padding:11px;border-radius:10px;font-weight:600}.auth-tab.active{background:var(--bg);color:var(--text);box-shadow:0 2px 8px rgba(0,0,0,.07)}.auth-form{display:grid;gap:18px}.form-heading h2{font-size:30px;margin:0 0 8px}.form-heading p{margin:0;color:var(--muted)}label{display:grid;gap:8px;font-size:13px;font-weight:600}input,textarea,select{color:var(--text);background:var(--bg);border:1px solid var(--border);outline:none;transition:.2s}input{height:49px;border-radius:11px;padding:0 14px}input:focus,textarea:focus,select:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(16,163,127,.13)}.primary-button{height:50px;border:0;border-radius:11px;background:var(--green);color:#fff;font-weight:700;padding:0 20px;transition:.2s}.primary-button:hover{background:var(--green-dark);transform:translateY(-1px)}.auth-links{display:flex;justify-content:space-between;gap:12px}.auth-links button,.link-button{border:0;background:transparent;color:var(--green);font-size:13px;padding:4px}
.app-view{height:100vh;display:grid;grid-template-columns:280px 1fr;overflow:hidden}.sidebar{background:var(--sidebar);border-left:1px solid var(--border);display:flex;flex-direction:column;padding:15px 12px;min-height:0;z-index:30}.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:2px 7px 15px}.new-chat-button{width:100%;height:45px;border:1px solid var(--border);border-radius:11px;background:var(--bg);color:var(--text);font-weight:600;text-align:right;padding:0 14px;display:flex;align-items:center;gap:8px}.new-chat-button:hover{background:var(--surface-2)}.sidebar-section-title{padding:22px 10px 9px;color:var(--muted);font-size:11px;font-weight:700}.conversation-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:3px}.conversation-item{display:flex;align-items:center;gap:7px;border-radius:9px;padding:2px 4px}.conversation-item.active{background:var(--surface-2)}.conversation-main{min-width:0;flex:1;border:0;background:transparent;color:var(--text);padding:9px 7px;text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.conversation-delete{width:28px;height:28px;border:0;background:transparent;border-radius:7px;color:var(--muted);opacity:0}.conversation-item:hover .conversation-delete,.conversation-item:focus-within .conversation-delete{opacity:1}.conversation-delete:hover{background:rgba(217,45,32,.1);color:var(--danger)}.sidebar-footer{position:relative;border-top:1px solid var(--border);padding-top:8px;display:grid;gap:3px}.sidebar-account{border:0;background:transparent;color:var(--text);display:flex;align-items:center;gap:10px;text-align:right;padding:9px;border-radius:10px}.sidebar-account:hover{background:var(--surface-2)}.sidebar-account>span:nth-child(2){display:flex;flex:1;min-width:0;flex-direction:column}.sidebar-account b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-account small{color:var(--muted);font-size:11px}.sidebar-icon,.user-avatar{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:var(--surface-2);font-weight:700}.user-avatar{background:linear-gradient(145deg,#8b5cf6,#6366f1);color:#fff}.chevron{color:var(--muted)}.account-menu{position:absolute;bottom:58px;right:7px;left:7px;background:var(--bg);border:1px solid var(--border);box-shadow:var(--shadow);padding:6px;border-radius:12px}.account-menu button{width:100%;border:0;background:transparent;color:var(--text);padding:10px;border-radius:8px;text-align:right}.account-menu button:hover{background:var(--surface)}.danger-text{color:var(--danger)!important}
.chat-area{display:grid;grid-template-rows:auto 1fr auto;min-width:0;min-height:0;background:var(--bg)}.chat-header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:8px 24px;border-bottom:1px solid transparent;z-index:10}.model-picker{position:relative;display:flex;flex-direction:column;gap:1px}.model-picker select{appearance:none;border:0;background:transparent;padding:4px 3px 2px 28px;height:auto;font-weight:700;font-size:15px;box-shadow:none}.model-picker:after{content:"⌄";position:absolute;left:5px;top:4px;color:var(--muted)}.model-picker small{padding-right:3px;color:var(--muted);font-size:10px;font-weight:400}.wallet-pill{display:grid;grid-template-columns:auto auto;column-gap:7px;align-items:center;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:12px;padding:7px 12px}.wallet-pill span{grid-row:1/3;color:var(--green)}.wallet-pill b{font-size:12px}.wallet-pill small{font-size:9px;color:var(--muted)}.chat-scroll{overflow-y:auto;min-height:0;scroll-behavior:smooth}.empty-state{min-height:100%;max-width:850px;margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 24px 30px}.hero-mark{width:58px;height:58px;border-radius:18px;margin-bottom:22px}.empty-state h1{font-size:32px;letter-spacing:-.02em;margin:0 0 11px}.empty-state>p{color:var(--muted);margin:0;max-width:560px;line-height:1.9}.suggestion-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:34px}.suggestion{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:14px;text-align:right;padding:15px 17px;display:flex;flex-direction:column;gap:5px}.suggestion:hover{background:var(--surface)}.suggestion b{font-size:13px}.suggestion span{font-size:11px;color:var(--muted)}.message-list{padding:20px 0 36px}.message{max-width:850px;margin:0 auto;padding:18px 26px;display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;direction:ltr}.message>*{direction:rtl}.message-avatar{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--surface-2);font-weight:700;font-size:12px}.message.assistant .message-avatar{background:var(--green);color:#fff}.message-body{min-width:0}.message-meta{display:flex;align-items:center;gap:8px;margin-bottom:7px}.message-meta b{font-size:13px}.message-meta small{font-size:10px;color:var(--muted)}.message-content{font-size:14px;line-height:2;white-space:pre-wrap;word-break:break-word}.message-content pre{direction:ltr;text-align:left;white-space:pre;overflow:auto;background:#111827;color:#e5e7eb;padding:15px;border-radius:12px;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.message-charge{display:inline-flex;margin-top:10px;padding:4px 8px;border-radius:7px;background:var(--surface);color:var(--muted);font-size:10px}.typing{display:flex;gap:5px;padding:9px 0}.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:bounce 1.2s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}
.composer-wrap{padding:10px 22px 14px;background:linear-gradient(transparent,var(--bg) 24%)}.composer{max-width:850px;margin:auto;border:1px solid var(--border);border-radius:18px;padding:11px 12px 9px;background:var(--bg);box-shadow:0 5px 24px rgba(0,0,0,.06)}.composer textarea{display:block;width:100%;max-height:180px;resize:none;border:0;box-shadow:none;background:transparent;padding:3px 5px;line-height:1.8}.composer-actions{display:flex;align-items:center;justify-content:space-between;margin-top:4px}.composer-actions>span{color:var(--muted);font-size:10px}.send-button{width:34px;height:34px;border:0;border-radius:10px;background:var(--text);color:var(--bg);font-size:22px;line-height:1}.send-button:disabled{background:var(--surface-2)}.composer-note{text-align:center;color:var(--muted);font-size:9px;margin:7px 0 0}
.modal-backdrop{position:fixed;inset:0;background:rgba(10,15,20,.52);backdrop-filter:blur(5px);display:grid;place-items:center;padding:20px;z-index:80}.modal-card{position:relative;width:min(520px,100%);max-height:min(88vh,900px);overflow-y:auto;background:var(--bg);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:28px}.modal-card.compact{width:min(400px,100%);text-align:center}.modal-card.wide{width:min(700px,100%)}.modal-card.admin-card{width:min(780px,100%)}.modal-close{position:absolute;left:15px;top:14px;border:0;background:var(--surface);color:var(--text);width:32px;height:32px;border-radius:9px;font-size:20px}.modal-icon{width:50px;height:50px;border-radius:15px;background:rgba(16,163,127,.12);color:var(--green);display:grid;place-items:center;margin:4px auto 14px;font-size:22px}.modal-card h2{margin:0 0 8px}.modal-card.compact>p{color:var(--muted);font-size:13px;margin:0 0 22px}.modal-card form{display:grid;gap:14px}.otp-input{text-align:center;direction:ltr;font-size:24px;letter-spacing:9px}.link-button{margin-top:13px}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:25px;margin-bottom:23px}.modal-header h2{margin-top:5px}.wallet-total{text-align:left;display:flex;flex-direction:column}.wallet-total small{color:var(--muted);font-size:10px}.wallet-total b{font-size:19px;color:var(--green)}.recharge-box{background:var(--surface);border-radius:15px;padding:18px}.quick-amounts{display:flex;flex-wrap:wrap;gap:7px}.quick-amounts button{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:7px 10px;font-size:11px}.recharge-box>small{color:var(--muted);font-size:10px}.transactions-title{font-size:14px;margin:24px 0 10px}.transaction-list{display:grid;gap:5px}.transaction{display:flex;justify-content:space-between;align-items:center;padding:11px 4px;border-bottom:1px solid var(--border)}.transaction-info{display:flex;flex-direction:column}.transaction-info b{font-size:12px}.transaction-info small{font-size:10px;color:var(--muted)}.transaction-amount{font-size:12px;font-weight:700;direction:ltr}.transaction-amount.positive{color:var(--green)}.transaction-amount.negative{color:var(--danger)}.muted{color:var(--muted);font-size:12px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:18px}.stat-card{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.stat-card small{display:block;color:var(--muted);font-size:10px}.stat-card b{font-size:16px}.admin-settings{grid-template-columns:repeat(3,1fr);align-items:end}.admin-settings .primary-button{height:49px}.warning-box{background:#fff4e5;color:#8a4b08;border:1px solid #ffd8a8;border-radius:11px;padding:12px;font-size:11px;margin:18px 0 0}.toast-region{position:fixed;left:22px;bottom:22px;z-index:120;display:grid;gap:8px}.toast{min-width:260px;max-width:390px;background:var(--text);color:var(--bg);border-radius:11px;padding:12px 15px;box-shadow:var(--shadow);font-size:12px;animation:toast-in .25s ease}.toast.error{background:#b42318;color:#fff}.toast.success{background:#087c61;color:#fff}@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.icon-button{border:0;background:transparent;color:var(--text);font-size:21px}
@media(max-width:900px){.auth-view{grid-template-columns:1fr}.auth-brand{display:none}.auth-panel{min-height:100vh}.mobile-brand{display:flex}.app-view{grid-template-columns:1fr}.sidebar{position:fixed;right:0;top:0;bottom:0;width:min(88vw,300px);transform:translateX(105%);transition:transform .25s ease;box-shadow:var(--shadow)}.sidebar.open{transform:none}.sidebar-backdrop{display:block!important;position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:25}.mobile-only{display:grid!important}.chat-header{padding:8px 12px}.model-picker small{display:none}.wallet-pill small{display:none}.empty-state{justify-content:flex-start;padding-top:12vh}.suggestion-grid{grid-template-columns:1fr}.suggestion:nth-child(n+3){display:none}.message{padding:15px 16px;grid-template-columns:30px minmax(0,1fr);gap:10px}.message-avatar{width:29px;height:29px}.composer-wrap{padding:8px 10px 9px}.composer-note{display:none}.admin-stats{grid-template-columns:1fr 1fr}.admin-settings{grid-template-columns:1fr}.modal-card{padding:24px 18px}.modal-header{flex-direction:column}.wallet-total{text-align:right}.toast-region{right:14px;left:14px;bottom:14px}.toast{max-width:none;min-width:0}}
@media(max-width:520px){.auth-panel{padding:24px}.auth-card{width:100%}.form-heading h2{font-size:26px}.empty-state h1{font-size:25px}.wallet-pill{padding:7px 9px}.wallet-pill b{font-size:11px}.model-picker select{max-width:160px}.modal-backdrop{padding:10px}.modal-card{border-radius:16px}.admin-stats{grid-template-columns:1fr 1fr}.auth-links{flex-direction:column;align-items:center}}
@media(max-width:900px){.sidebar-backdrop.hidden{display:none!important}}
.sidebar-admin{border:1px solid rgba(16,163,127,.28);background:rgba(16,163,127,.09);color:var(--green-dark);padding:10px;border-radius:10px;text-align:right;font-weight:700}.sidebar-admin:hover{background:rgba(16,163,127,.16)}
.check-field{display:flex!important;flex-direction:row!important;align-items:center;gap:9px;padding:12px;border:1px solid var(--border);border-radius:10px;min-height:49px}.check-field input{width:18px;height:18px}.setting-status{display:grid;gap:5px;padding:9px 12px;border:1px solid var(--border);border-radius:10px}.setting-status small{color:var(--muted)}.secondary-button{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:9px;padding:8px 11px}.settings-fieldset{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border:1px solid var(--border);border-radius:12px;padding:14px}.settings-fieldset legend{padding:0 7px;font-weight:700}.admin-models{margin-top:22px}.admin-model-list{display:grid;gap:7px}.model-admin-row{display:grid;grid-template-columns:minmax(140px,1fr) auto auto;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:10px}.model-admin-row small{color:var(--muted)}.model-admin-row label{display:flex;align-items:center;gap:6px}
@media(max-width:900px){.settings-fieldset{grid-template-columns:1fr}.model-admin-row{grid-template-columns:1fr auto}}
.proxy-link-field{grid-column:1/-1}.proxy-link-field textarea{direction:ltr;text-align:left;resize:vertical;min-height:82px}.proxy-link-field small{color:var(--muted);font-size:10px}

/* Landing page */
.auth-view.landing-page{display:block;min-height:100vh;overflow-x:hidden;background:var(--bg)}
.landing-nav{height:76px;max-width:1200px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.landing-logo{font-size:17px}.landing-nav nav{display:flex;align-items:center;gap:30px}.landing-nav nav a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:600;transition:.2s}.landing-nav nav a:hover{color:var(--text)}
.nav-cta{padding:10px 17px;border-radius:11px;background:var(--text);color:var(--bg);text-decoration:none;font-size:12px;font-weight:700}
.landing-hero{position:relative;max-width:1200px;min-height:650px;margin:auto;padding:60px 28px 80px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(380px,.85fr);align-items:center;gap:80px}
.landing-hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-270px;top:-100px;background:radial-gradient(circle,rgba(16,163,127,.14),rgba(16,163,127,0) 68%);pointer-events:none}
.landing-hero-copy{position:relative;z-index:1}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(16,163,127,.22);border-radius:99px;background:rgba(16,163,127,.08);color:var(--green-dark);font-size:11px;font-weight:700}.hero-badge span{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(16,163,127,.12)}
.landing-hero h1{font-size:clamp(48px,6.2vw,78px);line-height:1.22;letter-spacing:-.055em;margin:20px 0 22px}.landing-hero h1 em{font-style:normal;color:var(--green)}.landing-hero-copy>p{max-width:690px;margin:0;color:var(--muted);font-size:17px;line-height:2.05}
.hero-actions{display:flex;align-items:center;gap:12px;margin-top:30px}.hero-actions a{height:48px;padding:0 21px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:13px;font-weight:700}.hero-primary{background:var(--green);color:#fff;box-shadow:0 9px 25px rgba(16,163,127,.23)}.hero-primary:hover{background:var(--green-dark)}.hero-secondary{border:1px solid var(--border);color:var(--text);background:var(--bg)}.hero-secondary span{margin-right:8px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;color:var(--muted);font-size:11px}.hero-trust span{display:flex;align-items:center;gap:6px}.hero-trust b{width:19px;height:19px;border-radius:50%;display:grid;place-items:center;background:rgba(16,163,127,.1);color:var(--green)}
.landing-page .auth-panel{display:block;padding:0;position:relative;z-index:2}.landing-page .auth-card{width:100%;padding:30px;border:1px solid var(--border);border-radius:24px;background:color-mix(in srgb,var(--bg) 92%,transparent);box-shadow:0 30px 80px rgba(15,23,42,.12);backdrop-filter:blur(14px)}
.auth-card-intro{text-align:center;margin-bottom:22px}.auth-card-intro h2{font-size:26px;margin:6px 0}.auth-card-intro p{color:var(--muted);font-size:12px;margin:0}.landing-page .auth-tabs{margin-bottom:25px}.landing-page .form-heading h2{font-size:21px}.landing-page .auth-form{gap:14px}
.landing-stats{max-width:1200px;margin:0 auto 110px;padding:24px 28px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.landing-stats div{padding:15px 24px;border-left:1px solid var(--border);display:flex;flex-direction:column;gap:5px}.landing-stats div:last-child{border-left:0}.landing-stats b{font-size:16px}.landing-stats span{font-size:10px;color:var(--muted);line-height:1.8}
.landing-section{max-width:1200px;margin:0 auto;padding:0 28px 120px}.section-heading{max-width:660px;margin:0 auto 42px;text-align:center}.section-heading h2{font-size:clamp(30px,4vw,45px);letter-spacing:-.035em;margin:10px 0 12px}.section-heading p{margin:0;color:var(--muted);line-height:1.9;font-size:14px}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.feature-card{min-height:250px;padding:30px;border:1px solid var(--border);border-radius:20px;background:var(--surface);position:relative;overflow:hidden}.feature-card.featured{grid-row:span 2;min-height:514px;background:linear-gradient(145deg,#075b47,#10a37f);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}.feature-card.featured:before{content:"چ";position:absolute;left:-35px;top:-80px;font-size:330px;line-height:1;color:rgba(255,255,255,.055);font-weight:800}.feature-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:rgba(16,163,127,.12);color:var(--green);font-size:20px}.featured .feature-icon{background:rgba(255,255,255,.15);color:#fff}.feature-card h3{font-size:20px;margin:25px 0 9px}.feature-card p{color:var(--muted);font-size:13px;line-height:2;margin:0}.featured p{color:rgba(255,255,255,.75)}.mini-flow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:35px;padding:17px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:15px;font-size:11px}.mini-flow i{font-style:normal;color:rgba(255,255,255,.55)}
.models-section{max-width:none;background:var(--surface);padding-top:100px;padding-bottom:100px;margin-bottom:120px}.models-section>*{max-width:1144px;margin-left:auto;margin-right:auto}.public-model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.public-model-card{padding:27px;border:1px solid var(--border);border-radius:18px;background:var(--bg)}.public-model-card.balanced{border-color:rgba(16,163,127,.5);box-shadow:0 14px 40px rgba(16,163,127,.09)}.model-class{display:inline-flex;border-radius:99px;padding:5px 10px;font-size:10px;font-weight:700;background:var(--surface);color:var(--muted)}.public-model-card.balanced .model-class{background:rgba(16,163,127,.1);color:var(--green-dark)}.public-model-card.powerful .model-class{background:rgba(124,58,237,.1);color:#7c3aed}.public-model-card h3{font-size:19px;margin:18px 0 9px}.public-model-card p{font-size:12px;line-height:1.9;color:var(--muted);min-height:48px}.public-model-card ul{list-style:none;padding:16px 0 0;margin:16px 0 0;border-top:1px solid var(--border);display:grid;gap:10px}.public-model-card li{font-size:11px}.public-model-card li:before{content:"✓";color:var(--green);font-weight:700;margin-left:7px}.auto-model-banner{margin-top:15px!important;padding:22px 24px;border-radius:17px;background:var(--bg);border:1px solid var(--border);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:17px}.auto-model-banner b{font-size:14px}.auto-model-banner p{font-size:11px;color:var(--muted);margin:5px 0 0}.auto-model-banner a{padding:10px 14px;border-radius:10px;background:var(--text);color:var(--bg);text-decoration:none;font-size:11px;font-weight:700}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.steps-grid article{text-align:center;position:relative}.steps-grid article:not(:last-child):after{content:"";position:absolute;top:24px;right:calc(50% + 38px);width:calc(100% - 41px);border-top:1px dashed var(--border)}.steps-grid article>span{width:50px;height:50px;border-radius:16px;background:var(--text);color:var(--bg);display:grid;place-items:center;margin:auto;font-size:17px;font-weight:800;position:relative;z-index:1}.steps-grid h3{font-size:17px;margin:17px 0 8px}.steps-grid p{color:var(--muted);font-size:11px;line-height:1.9;margin:0}
.faq-grid{max-width:850px;margin:auto;display:grid;gap:9px}.faq-grid details{border:1px solid var(--border);border-radius:14px;background:var(--bg);padding:0 19px}.faq-grid summary{cursor:pointer;padding:18px 0;font-size:13px;font-weight:700}.faq-grid details p{border-top:1px solid var(--border);padding:15px 0;margin:0;color:var(--muted);font-size:12px;line-height:2}
.landing-cta{max-width:1144px;margin:0 auto 80px;padding:46px 50px;border-radius:24px;background:linear-gradient(135deg,#064e3b,#10a37f);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px}.landing-cta .eyebrow{color:#b9f4e5}.landing-cta h2{font-size:31px;margin:8px 0}.landing-cta p{color:rgba(255,255,255,.72);font-size:12px;margin:0}.landing-cta>a{padding:13px 19px;border-radius:11px;background:#fff;color:#075b47;text-decoration:none;font-size:12px;font-weight:800;white-space:nowrap}
.landing-footer{max-width:1200px;margin:auto;padding:32px 28px 45px;border-top:1px solid var(--border);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:25px}.landing-footer p,.landing-footer small{color:var(--muted);font-size:10px}.landing-footer p{margin:0}.landing-footer small{text-align:left}

/* Clear model identity in both themes */
.model-picker{min-width:310px;padding:8px 12px;border:1px solid var(--border);border-radius:13px;background:var(--surface);gap:4px}.model-picker select{width:100%;padding:0 3px 0 28px;color:var(--text);background:var(--surface);font-size:14px}.model-picker select option{color:var(--text);background:var(--bg)}.model-picker:after{top:10px;left:13px}.model-picker-meta{display:flex;align-items:center;gap:7px}.model-picker-meta>b{padding:2px 7px;border-radius:99px;background:rgba(16,163,127,.12);color:var(--green);font-size:9px}.model-picker-meta small{padding:0;color:var(--muted);font-size:9px}.chat-header{height:78px}
[data-theme=dark] .public-model-card.powerful .model-class{color:#c4b5fd;background:rgba(139,92,246,.16)}
#model-tier.economy{background:rgba(14,165,233,.13);color:#0284c7}#model-tier.balanced{background:rgba(16,163,127,.13);color:var(--green)}#model-tier.powerful{background:rgba(139,92,246,.14);color:#7c3aed}
[data-theme=dark] .landing-page .auth-card{background:rgba(47,47,47,.88);box-shadow:0 30px 80px rgba(0,0,0,.35)}
[data-theme=dark] .hero-badge{color:#6ee7c8}
[data-theme=dark] #model-tier.economy{color:#7dd3fc}[data-theme=dark] #model-tier.powerful{color:#c4b5fd}

@media(max-width:900px){
  .landing-nav{height:66px;padding:0 18px}.landing-nav nav{display:none}.landing-nav .nav-cta{display:none}
  .landing-hero{min-height:0;padding:48px 20px 80px;grid-template-columns:1fr;gap:55px}.landing-hero h1{font-size:48px}.landing-hero-copy{text-align:center}.landing-hero-copy>p{margin:auto}.hero-actions,.hero-trust{justify-content:center}
  .landing-page .auth-panel{min-height:0}.landing-page .mobile-brand{display:none}.landing-page .auth-card{max-width:480px;margin:auto}
  .landing-stats{grid-template-columns:1fr 1fr;margin-bottom:85px;padding:15px 20px}.landing-stats div{border-bottom:1px solid var(--border)}.landing-stats div:nth-child(2){border-left:0}.landing-stats div:nth-child(n+3){border-bottom:0}
  .landing-section{padding:0 20px 90px}.feature-grid{grid-template-columns:1fr}.feature-card.featured{grid-row:auto;min-height:430px}.public-model-grid{grid-template-columns:1fr}.models-section{padding-top:80px;padding-bottom:80px;margin-bottom:90px}.auto-model-banner{grid-template-columns:auto 1fr}.auto-model-banner a{grid-column:1/-1;text-align:center}.steps-grid{gap:15px}.steps-grid article:not(:last-child):after{display:none}.landing-cta{margin:0 20px 60px;padding:36px 28px;flex-direction:column;text-align:center}.landing-footer{grid-template-columns:1fr;text-align:center;justify-items:center}.landing-footer small{text-align:center}
  .model-picker{min-width:0;max-width:58vw}.model-picker-meta small{display:none}.chat-header{height:72px}
}
@media(max-width:560px){
  .landing-hero{padding-top:32px}.landing-hero h1{font-size:39px}.landing-hero-copy>p{font-size:14px}.hero-actions{flex-direction:column}.hero-actions a{width:100%}.hero-trust{gap:10px 16px}
  .landing-page .auth-card{padding:22px 18px;border-radius:18px}.landing-stats{grid-template-columns:1fr}.landing-stats div{border-left:0;border-bottom:1px solid var(--border)!important}.landing-stats div:last-child{border-bottom:0!important}
  .section-heading h2{font-size:30px}.feature-card{padding:23px}.feature-card.featured{min-height:380px}.mini-flow{font-size:9px;padding:13px}.steps-grid{grid-template-columns:1fr;gap:30px}.landing-cta h2{font-size:25px}
  .model-picker{max-width:53vw;padding:7px 9px}.model-picker select{font-size:12px}.model-picker-meta>b{font-size:8px}.wallet-pill{padding:7px}.wallet-pill b{font-size:10px}
}

/* Make the entire model card the native select hit area. */
.model-picker{position:relative;cursor:pointer;transition:border-color .18s,background .18s,box-shadow .18s}
.model-picker:hover{border-color:color-mix(in srgb,var(--green) 55%,var(--border));background:var(--surface-2)}
.model-picker:focus-within{border-color:var(--green);box-shadow:0 0 0 3px rgba(16,163,127,.13)}
.model-picker select{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;opacity:0;cursor:pointer;z-index:3}
.model-picker-copy{display:flex;min-width:0;flex-direction:column;gap:4px;padding-left:22px;pointer-events:none}
.model-picker-copy>strong{font-size:14px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model-picker:after{z-index:2;pointer-events:none}

/* Attachments and camera */
.composer-left-actions{display:flex;align-items:center;gap:6px}.composer-left-actions>span{margin-right:4px;color:var(--muted);font-size:10px}.composer-count{direction:ltr;opacity:.75}.composer-tool{width:34px;height:34px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);display:grid;place-items:center;font-size:16px;line-height:1}.composer-tool:hover{background:var(--surface-2);border-color:color-mix(in srgb,var(--green) 45%,var(--border))}.clear-message-button{margin-right:auto;color:var(--muted);font-size:21px}.clear-message-button.hidden{display:none}
.web-search-control{position:relative;display:grid;place-items:center;padding:0;color:var(--muted);white-space:nowrap;cursor:pointer}.web-search-control>span:first-child{font-size:15px;filter:grayscale(.35)}.web-search-control:hover{color:var(--text)}.web-search-control.active{color:var(--green-dark);border-color:color-mix(in srgb,var(--green) 45%,var(--border));background:var(--surface-2)}.web-search-control[data-mode="off"]{opacity:.58}.web-search-control select{position:absolute;inset:0;width:100%;height:100%;margin:0;padding:0;border:0;opacity:0;cursor:pointer}
.attachment-preview{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px}.attachment-chip{position:relative;min-width:165px;max-width:220px;height:58px;padding:7px 8px;display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.attachment-chip img{width:44px;height:44px;border-radius:8px;object-fit:cover}.attachment-chip-icon{width:42px;height:42px;border-radius:8px;background:var(--surface-2);display:grid;place-items:center;font-size:20px}.attachment-chip>span:nth-last-of-type(1){min-width:0;display:flex;flex:1;flex-direction:column}.attachment-chip b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.attachment-chip small{font-size:8px;color:var(--muted)}.attachment-chip button{position:absolute;left:-5px;top:-6px;width:21px;height:21px;border:1px solid var(--border);border-radius:50%;background:var(--bg);color:var(--text);line-height:1;font-size:15px;padding:0;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.message-attachments{display:flex;flex-wrap:wrap;gap:8px;margin:3px 0 11px}.message-image{display:block;width:min(310px,100%);border-radius:14px;overflow:hidden;border:1px solid var(--border);background:var(--surface)}.message-image img{display:block;width:100%;max-height:310px;object-fit:cover}.message-file{width:min(340px,100%);min-height:62px;padding:10px 12px;display:flex;align-items:center;gap:10px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);text-decoration:none}.message-file>span:first-child{width:38px;height:38px;border-radius:9px;background:var(--surface-2);display:grid;place-items:center}.message-file>span:last-child{min-width:0;display:flex;flex-direction:column}.message-file b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}.message-file small{font-size:9px;color:var(--muted)}
.camera-card{width:min(720px,100%)}.camera-heading{margin-bottom:16px}.camera-heading h2{margin:5px 0}.camera-heading p{margin:0;color:var(--muted);font-size:11px}.camera-stage{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:16px;background:#080b0d;display:grid;place-items:center}.camera-stage video{width:100%;height:100%;object-fit:cover}.camera-stage #camera-loading{position:absolute;inset:0;display:grid;place-items:center;color:#fff;background:rgba(0,0,0,.45);font-size:12px}.camera-capture{width:100%;margin-top:14px}
@media(max-width:560px){.composer-tool{width:32px;height:32px}.composer-left-actions>span{display:none}.attachment-chip{min-width:145px}.camera-card{padding:16px}.camera-stage{border-radius:12px}.message-image{width:100%}}
.web-citations{margin-top:12px;padding:11px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.web-citations>b{display:block;margin-bottom:8px;font-size:11px}.web-citations>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.web-citations a{min-width:0;display:flex;align-items:center;gap:8px;padding:8px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--text);text-decoration:none}.web-citations a:hover{border-color:var(--green)}.web-citations a>span:first-child{flex:0 0 22px;width:22px;height:22px;display:grid;place-items:center;border-radius:7px;background:rgba(16,163,127,.12);color:var(--green-dark);font-size:9px}.web-citations a>span:last-child{display:flex;min-width:0;flex-direction:column}.web-citations strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.web-citations small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:8px;direction:ltr;text-align:left}
@media(max-width:560px){.web-citations>div{grid-template-columns:1fr}}

/* Search, message actions and auditable admin wallet controls */
.conversation-search{position:relative;display:block;margin:10px 2px 0}.conversation-search>span{position:absolute;right:12px;top:50%;transform:translateY(-52%);color:var(--muted);pointer-events:none}.conversation-search input{width:100%;height:40px;padding:0 34px 0 11px;border-radius:10px;background:var(--surface);font-size:11px}.conversation-search input::-webkit-search-cancel-button{cursor:pointer}.message-actions{display:flex;align-items:center;gap:6px;margin-top:10px}.message-actions button{border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted);padding:6px 9px;font-size:10px}.message-actions button:hover:not(:disabled){border-color:var(--border);background:var(--surface);color:var(--text)}.message-actions button:disabled{opacity:.38;cursor:not-allowed}.admin-wallets{margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.admin-section-heading h3{margin:0 0 4px}.admin-section-heading p{margin:0 0 13px;color:var(--muted);font-size:10px}.admin-user-search{display:grid;grid-template-columns:1fr auto;gap:8px}.admin-user-results{display:grid;gap:5px;max-height:250px;overflow:auto;margin:10px 0;padding:2px}.admin-user-row{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);text-align:right}.admin-user-row:hover,.admin-user-row.selected{border-color:var(--green);background:rgba(16,163,127,.07)}.admin-user-row>span{display:flex;min-width:0;flex-direction:column}.admin-user-row small{color:var(--muted);font-size:9px;direction:ltr}.admin-user-row strong{font-size:11px;white-space:nowrap}.admin-wallet-adjust{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.admin-wallet-adjust .wallet-reason,.admin-wallet-adjust button{grid-column:1/-1}
@media(max-width:700px){.admin-wallet-adjust{grid-template-columns:1fr}.admin-user-search{grid-template-columns:1fr}.message-actions{flex-wrap:wrap}}
.abuse-fieldset{background:rgba(245,158,11,.035);border-color:color-mix(in srgb,#f59e0b 32%,var(--border))}.admin-backup{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.admin-backup h3{margin:0 0 5px}.admin-backup p{margin:0;color:var(--muted);font-size:10px;line-height:1.8}.admin-backup button{flex:0 0 auto}
@media(max-width:700px){.admin-backup{align-items:stretch;flex-direction:column}.admin-backup button{width:100%}}

/* Admin user directory, purchase history and wallet overview */
.modal-card.admin-card{width:min(1120px,100%)}
.admin-user-search{grid-template-columns:minmax(190px,1fr) 160px 175px auto}
.admin-user-results{gap:0;max-height:520px;margin:12px 0 8px;padding:0;overflow:auto;border:1px solid var(--border);border-radius:12px}
.admin-user-table-head,.admin-user-row{display:grid;grid-template-columns:minmax(170px,1.35fr) minmax(105px,.8fr) minmax(155px,1.1fr) minmax(155px,1.1fr) minmax(120px,.95fr) minmax(120px,.95fr);align-items:center;gap:10px;width:100%;padding:10px 12px;text-align:right}
.admin-user-table-head{position:sticky;top:0;z-index:2;background:var(--surface-2);color:var(--muted);font-size:9px;font-weight:700}
.admin-user-row{border:0;border-top:1px solid var(--border);border-radius:0;background:var(--bg);color:var(--text)}
.admin-user-row:first-of-type{border-top:0}.admin-user-row:hover,.admin-user-row.selected{background:rgba(16,163,127,.07)}
.admin-user-row>span{display:flex;min-width:0;align-items:flex-start;flex-direction:column;gap:2px}.admin-user-row b{overflow:hidden;max-width:100%;text-overflow:ellipsis;white-space:nowrap}.admin-user-row small{color:var(--muted);font-size:9px;direction:ltr}.admin-user-row strong{font-size:10px;line-height:1.7;white-space:normal}
.buyer-badge{display:inline-flex;margin-top:3px;padding:2px 6px;border-radius:99px;background:rgba(16,163,127,.12);color:var(--green-dark);font-size:8px;font-style:normal}.buyer-badge.empty{background:var(--surface);color:var(--muted)}
.admin-user-pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin:10px 0 18px}.admin-user-pagination span{color:var(--muted);font-size:10px}.admin-user-pagination button{padding:7px 13px}
.admin-user-purchases{margin:16px 0;padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.admin-user-purchases .admin-section-heading p{margin-bottom:8px}.admin-purchase-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;max-height:260px;overflow:auto}.admin-purchase-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 11px;border:1px solid var(--border);border-radius:9px;background:var(--bg)}.admin-purchase-row>span{display:flex;flex-direction:column}.admin-purchase-row b{font-size:10px}.admin-purchase-row small{color:var(--muted);font-size:8px}.admin-purchase-row strong{font-size:10px}.admin-purchase-row.paid{border-color:color-mix(in srgb,var(--green) 35%,var(--border))}.admin-purchase-row.failed b,.admin-purchase-row.cancelled b{color:var(--danger)}
@media(max-width:850px){.admin-user-search{grid-template-columns:1fr 1fr}.admin-user-search input{grid-column:1/-1}.admin-user-table-head{display:none}.admin-user-results{border:0;gap:7px;max-height:560px}.admin-user-row{grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:11px;padding:12px}.admin-user-row>span{grid-column:1/-1;padding-bottom:7px;border-bottom:1px solid var(--border)}.admin-user-row strong{display:flex;flex-direction:column}.admin-user-row strong:before{color:var(--muted);font-size:8px;font-weight:400}.admin-user-row strong:nth-child(2):before{content:"موجودی"}.admin-user-row strong:nth-child(3):before{content:"خرید موفق"}.admin-user-row strong:nth-child(4):before{content:"مصرف"}.admin-user-row strong:nth-child(5):before{content:"آخرین خرید"}.admin-user-row strong:nth-child(6):before{content:"عضویت"}.admin-purchase-list{grid-template-columns:1fr}}
@media(max-width:520px){.admin-user-search{grid-template-columns:1fr}.admin-user-search input{grid-column:auto}.admin-user-pagination{gap:7px}.admin-user-pagination span{font-size:8px}.admin-user-row{grid-template-columns:1fr}.admin-user-row>span{grid-column:auto}.admin-user-purchases{padding:11px}}