/* ============================================================
   سیستم مدیریت مطالعه — استایل اصلی v3.1
   ریسپانسیو کامل: دسکتاپ / تبلت / موبایل
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#a5b4fc;
  --secondary:#0ea5e9;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--info:#06b6d4;
  --bg:#0f0f1a;--bg2:#161624;--bg3:#1e1e32;
  --surface:#1a1a2e;--surface2:#22223a;
  --border:rgba(99,102,241,0.15);--border2:rgba(255,255,255,0.08);
  --text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;
  --sidebar-w:260px;--topbar-h:60px;
  --radius:12px;--radius-lg:18px;--radius-xl:24px;
  --shadow:0 4px 24px rgba(0,0,0,0.4);--shadow-lg:0 8px 40px rgba(0,0,0,0.5);
  --glow:0 0 30px rgba(99,102,241,0.25);
  --font:'Vazirmatn',system-ui,sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px);
}
html{font-size:14px;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
body{font-family:var(--font);background:var(--bg);color:var(--text);direction:rtl;min-height:100vh;overflow-x:hidden}
body.nav-open{overflow:hidden}
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--primary-dark);border-radius:3px}

/* ===== LAYOUT ===== */
.app-wrapper{display:flex;min-height:100vh}

/* ===== SIDEBAR ===== */
.sidebar{width:var(--sidebar-w);background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;z-index:200;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:-4px 0 24px rgba(0,0,0,.4);overscroll-behavior:contain}
.sidebar-brand{padding:16px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);flex-shrink:0;background:linear-gradient(135deg,var(--primary-dark),#7c3aed);min-height:var(--topbar-h)}
.brand-icon{width:36px;height:36px;background:rgba(255,255,255,.15);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;flex-shrink:0}
.brand-name{font-size:15px;font-weight:800;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-nav{flex:1;padding:10px 8px;overflow-y:auto;overscroll-behavior:contain}
.sidebar-nav::-webkit-scrollbar{width:3px}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 14px;border-radius:var(--radius);color:var(--text2);text-decoration:none;font-size:13px;font-weight:500;margin-bottom:2px;transition:all .2s;white-space:nowrap;overflow:hidden}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(124,58,237,.15));color:var(--primary-light);border:1px solid rgba(99,102,241,.3);box-shadow:0 2px 12px rgba(99,102,241,.15)}
.nav-item i{width:17px;text-align:center;font-size:13px;flex-shrink:0}
.nav-item .badge{margin-right:auto;background:var(--danger);color:#fff;font-size:9.5px;border-radius:10px;padding:2px 7px;font-weight:700;flex-shrink:0}
.sidebar-footer{padding:12px;border-top:1px solid var(--border);flex-shrink:0;padding-bottom:calc(12px + var(--safe-b))}
.user-info{display:flex;align-items:center;gap:10px;text-decoration:none;padding:8px 10px;border-radius:var(--radius);transition:background .2s;min-width:0}
.user-info:hover{background:var(--surface2)}
.user-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),#7c3aed);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.user-details{min-width:0}
.user-name{display:block;font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-role{font-size:11px;color:var(--text3)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:199;backdrop-filter:blur(2px)}
.sidebar-overlay.visible{display:block}

/* ===== TOPBAR ===== */
.main-content{flex:1;margin-right:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh;min-width:0}
.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:10px;position:sticky;top:0;z-index:90;flex-shrink:0}
.sidebar-toggle{display:none;background:none;border:none;color:var(--text2);font-size:18px;cursor:pointer;padding:6px;border-radius:8px;transition:background .2s;line-height:1}
.sidebar-toggle:hover{background:var(--surface2);color:var(--text)}
.page-title{font-size:15px;font-weight:700;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.notif-btn{position:relative;cursor:pointer;width:36px;height:36px;background:var(--surface2);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--text2);font-size:15px;border:1px solid var(--border2);transition:all .2s;flex-shrink:0}
.notif-btn:hover{color:var(--text);border-color:var(--primary)}
.notif-badge{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:9px;font-weight:700;border-radius:10px;padding:1px 5px;border:2px solid var(--surface)}
.notif-panel{position:fixed;top:var(--topbar-h);left:14px;width:310px;max-height:390px;overflow-y:auto;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:300}
.notif-panel.hidden{display:none}
.notif-panel-header{padding:12px 16px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:13px}
.notif-panel-header button{background:none;border:none;color:var(--primary-light);font-size:12px;cursor:pointer;font-family:var(--font)}
.notif-item{padding:10px 16px;border-bottom:1px solid var(--border2)}
.notif-item.unread{background:rgba(99,102,241,.06)}
.notif-item-title{font-size:12.5px;font-weight:600;margin-bottom:2px}
.notif-item-msg{font-size:11.5px;color:var(--text2)}
.notif-item-time{font-size:10.5px;color:var(--text3);margin-top:2px}
.content-area{flex:1;padding:20px;overflow-x:hidden}

/* ===== CARDS ===== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border);gap:10px;flex-wrap:wrap}
.card-title{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px}
.card-title i{color:var(--primary)}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.stat-card::before{content:'';position:absolute;top:0;right:0;width:56px;height:56px;border-radius:0 var(--radius-lg) 0 100%;opacity:.15}
.stat-value{font-size:24px;font-weight:900;margin-bottom:4px}
.stat-label{font-size:12px;color:var(--text2);font-weight:500}
.stat-icon{position:absolute;top:14px;left:14px;font-size:20px;opacity:.5}
.stat-card.primary::before,.stat-card.primary .stat-value,.stat-card.primary .stat-icon{color:var(--primary)}
.stat-card.primary::before{background:var(--primary)}
.stat-card.success .stat-value,.stat-card.success .stat-icon{color:var(--success)}
.stat-card.success::before{background:var(--success)}
.stat-card.warning .stat-value,.stat-card.warning .stat-icon{color:var(--warning)}
.stat-card.warning::before{background:var(--warning)}
.stat-card.info .stat-value,.stat-card.info .stat-icon{color:var(--info)}
.stat-card.info::before{background:var(--info)}
.stat-card.danger .stat-value,.stat-card.danger .stat-icon{color:var(--danger)}
.stat-card.danger::before{background:var(--danger)}

/* ===== GRID ===== */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:10px;font-family:var(--font);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:all .2s;text-decoration:none;white-space:nowrap;line-height:1.2;-webkit-user-select:none;user-select:none;touch-action:manipulation}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 14px rgba(99,102,241,.3)}
.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff;box-shadow:0 4px 14px rgba(16,185,129,.3)}
.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff;box-shadow:0 4px 14px rgba(239,68,68,.3)}
.btn-warning{background:linear-gradient(135deg,var(--warning),#d97706);color:#fff}
.btn-info{background:linear-gradient(135deg,var(--info),#0284c7);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border2);color:var(--text2)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(99,102,241,.08)}
.btn-sm{padding:6px 12px;font-size:11.5px;border-radius:8px;gap:5px}
.btn-lg{padding:12px 28px;font-size:15px}
.btn-block{width:100%}
.btn-icon{padding:7px;width:34px;height:34px;border-radius:9px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none !important;box-shadow:none}

/* ===== FORMS ===== */
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:12.5px;font-weight:600;color:var(--text2);margin-bottom:6px}
.form-control{width:100%;background:var(--bg3);border:1.5px solid var(--border2);border-radius:10px;color:var(--text);padding:10px 13px;font-family:var(--font);font-size:13px;transition:all .2s;outline:none;appearance:none;-webkit-appearance:none}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.form-control::placeholder{color:var(--text3)}
textarea.form-control{resize:vertical;min-height:78px}
select.form-control{cursor:pointer}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.form-hint{font-size:11px;color:var(--text3);margin-top:4px}
.form-check{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px}
.form-check input{width:16px;height:16px;cursor:pointer;accent-color:var(--primary);flex-shrink:0}

/* H:M:S time input */
.time-hms{display:flex;align-items:center;gap:5px;background:var(--bg3);border:1.5px solid var(--border2);border-radius:10px;padding:8px 12px;transition:all .2s}
.time-hms:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.time-hms input{width:46px;background:none;border:none;color:var(--text);text-align:center;font-size:15px;font-weight:700;font-family:monospace;outline:none;padding:2px}
.time-hms input::-webkit-inner-spin-button{opacity:.4}
.time-hms input::placeholder{color:var(--text3);font-size:12px}
.time-hms .sep{color:var(--primary-light);font-size:17px;font-weight:900;line-height:1}
.time-hms .lbl{font-size:9.5px;color:var(--text3);padding:1px 5px;background:var(--bg2);border-radius:4px;white-space:nowrap;display:none}

/* ===== TABLE ===== */
.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius)}
.table{width:100%;border-collapse:collapse;font-size:13px;min-width:440px}
.table th{padding:10px 12px;text-align:right;font-size:11.5px;font-weight:700;color:var(--text2);border-bottom:1px solid var(--border);white-space:nowrap;background:var(--bg3)}
.table td{padding:11px 12px;border-bottom:1px solid var(--border2);color:var(--text);vertical-align:middle}
.table tr:hover td{background:rgba(99,102,241,.04)}
.table tr:last-child td{border-bottom:none}

/* ===== BADGES / STATUS ===== */
.badge-pill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.badge-pending{background:rgba(245,158,11,.15);color:var(--warning);border:1px solid rgba(245,158,11,.3)}
.badge-approved{background:rgba(16,185,129,.15);color:var(--success);border:1px solid rgba(16,185,129,.3)}
.badge-rejected{background:rgba(239,68,68,.15);color:var(--danger);border:1px solid rgba(239,68,68,.3)}
.badge-primary{background:rgba(99,102,241,.15);color:var(--primary-light);border:1px solid rgba(99,102,241,.3)}
.status-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.status-badge.status-pending{background:rgba(245,158,11,.15);color:var(--warning)}
.status-badge.status-approved{background:rgba(16,185,129,.15);color:var(--success)}
.status-badge.status-rejected{background:rgba(239,68,68,.15);color:var(--danger)}

/* ===== ALERTS ===== */
.alert{padding:12px 14px;border-radius:var(--radius);font-size:13px;display:flex;align-items:flex-start;gap:9px;border-width:1px;border-style:solid;line-height:1.6}
.alert i{flex-shrink:0;margin-top:1px}
.alert-success{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.3);color:#34d399}
.alert-danger{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);color:#f87171}
.alert-warning{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.3);color:#fbbf24}
.alert-info{background:rgba(99,102,241,.1);border-color:rgba(99,102,241,.3);color:var(--primary-light)}

/* ===== MODAL (bottom-sheet on mobile) ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);z-index:1000;display:none;align-items:flex-end;justify-content:center}
.modal-overlay.open{display:flex}
.modal{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:24px 20px;width:100%;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.4,0,.2,1);padding-bottom:calc(24px + var(--safe-b))}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modal-title{font-size:15px;font-weight:700}
.modal-close{background:var(--surface);border:1px solid var(--border2);color:var(--text2);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.modal-close:hover{background:rgba(239,68,68,.15);color:var(--danger)}
.modal-footer{display:flex;gap:10px;margin-top:18px}
.modal-footer .btn{flex:1}
@keyframes slideUp{from{transform:translateY(100%);opacity:.5}to{transform:translateY(0);opacity:1}}

/* ===== PROGRESS ===== */
.progress{height:6px;background:var(--bg3);border-radius:3px;overflow:hidden}
.progress-bar{height:100%;border-radius:3px;transition:width .6s ease}
.progress-primary{background:linear-gradient(90deg,var(--primary),var(--primary-light))}
.progress-success{background:linear-gradient(90deg,var(--success),#34d399)}
.progress-warning{background:linear-gradient(90deg,var(--warning),#fbbf24)}

/* ===== HOME PAGE ===== */
.home-nav{padding:14px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:50;gap:12px}
.home-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;text-decoration:none}
.home-brand i{color:var(--primary)}
.hero{padding:64px 24px;text-align:center;background:radial-gradient(ellipse at top,rgba(99,102,241,.12) 0%,transparent 65%)}
.hero-title{font-size:40px;font-weight:900;background:linear-gradient(135deg,#fff,var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:14px;line-height:1.2}
.hero-sub{font-size:15px;color:var(--text2);max-width:540px;margin:0 auto 28px;line-height:1.8}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== LEADERBOARD ===== */
.lb-row{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius);margin-bottom:8px;background:var(--bg3);border:1px solid var(--border2);transition:all .2s}
.lb-row:hover{border-color:var(--border);transform:translateX(-2px)}
.lb-row.top-1{background:linear-gradient(135deg,rgba(255,215,0,.08),rgba(255,165,0,.04));border-color:rgba(255,215,0,.3)}
.lb-row.top-2{background:linear-gradient(135deg,rgba(192,192,192,.08),rgba(160,160,160,.04));border-color:rgba(192,192,192,.3)}
.lb-row.top-3{background:linear-gradient(135deg,rgba(205,127,50,.08),rgba(184,115,51,.04));border-color:rgba(205,127,50,.3)}
.lb-rank{font-size:17px;font-weight:900;width:28px;text-align:center;flex-shrink:0}
.lb-avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#fff;flex-shrink:0}
.lb-info{flex:1;min-width:0}
.lb-name{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-meta{font-size:11px;color:var(--text3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-time{font-size:12.5px;font-weight:700;color:var(--primary-light);text-align:left;white-space:nowrap;flex-shrink:0}
.lb-sub{font-size:10.5px;color:var(--text3);text-align:left;margin-top:2px}

/* ===== AUTH ===== */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg);background-image:radial-gradient(ellipse at top,rgba(99,102,241,.1) 0%,transparent 65%)}
.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px;box-shadow:var(--shadow-lg)}
.auth-logo{text-align:center;margin-bottom:24px}
.auth-logo i{font-size:38px;color:var(--primary);margin-bottom:8px;display:block}
.auth-logo h1{font-size:19px;font-weight:800}
.auth-logo p{font-size:12.5px;color:var(--text2);margin-top:4px}

/* ===== STUDY DAILY FORM ===== */
.study-day-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow)}
.study-day-header{padding:16px 20px;background:linear-gradient(135deg,var(--primary-dark),#7c3aed);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.day-nav{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--surface2);border-bottom:1px solid var(--border);gap:8px;flex-wrap:wrap}
.day-nav-btn{background:var(--bg3);border:1px solid var(--border2);color:var(--text2);padding:6px 14px;border-radius:8px;cursor:pointer;font-size:12px;font-family:var(--font);font-weight:600;transition:all .2s;white-space:nowrap;touch-action:manipulation}
.day-nav-btn:hover,.day-nav-btn.active{border-color:var(--primary);color:var(--primary-light);background:rgba(99,102,241,.15)}
.subject-row{padding:14px 18px;border-bottom:1px solid var(--border2);transition:background .15s;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.subject-row:hover{background:rgba(99,102,241,.04)}
.subject-row:last-child{border-bottom:none}
.subject-row.has-draft{background:rgba(245,158,11,.04)}
.subject-row.has-sent{background:rgba(16,185,129,.04)}
.subject-color-strip{width:4px;height:100%;border-radius:2px;align-self:stretch;flex-shrink:0;min-height:24px}
.subject-info{flex:1;min-width:80px}
.subject-name{font-weight:600;font-size:13.5px;margin-bottom:2px}
.subject-target{font-size:11px;color:var(--text3)}
.subject-input-col{display:flex;align-items:center;gap:8px;flex-shrink:0;flex-wrap:wrap}
.submit-bar{padding:14px 18px;background:var(--surface2);border-top:1px solid var(--border);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.submit-bar-info{flex:1;min-width:120px;font-size:12.5px;color:var(--text2)}
.draft-chip{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;color:var(--warning);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.25);border-radius:8px;padding:2px 8px;white-space:nowrap}
.sent-chip{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;border-radius:8px;padding:2px 8px;white-space:nowrap}
.sent-chip.pending{color:var(--warning);background:rgba(245,158,11,.1)}
.sent-chip.approved{color:var(--success);background:rgba(16,185,129,.1)}
.sent-chip.rejected{color:var(--danger);background:rgba(239,68,68,.1)}

/* ===== MISC ===== */
.divider{height:1px;background:var(--border);margin:16px 0}
.empty-state{text-align:center;padding:48px 20px;color:var(--text2)}
.empty-state i{font-size:44px;opacity:.3;margin-bottom:14px;display:block}
.empty-state h3{font-size:15px;margin-bottom:6px}
.empty-state p{font-size:13px;color:var(--text3)}
.hidden{display:none!important}
.text-muted{color:var(--text2)}.text-sm{font-size:12px}.text-xs{font-size:11px}
.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.text-primary{color:var(--primary-light)}
.fw-bold{font-weight:700}.fw-900{font-weight:900}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}
.gap-6{gap:6px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.w-100{width:100%}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== TOAST ===== */
.toast-container{position:fixed;bottom:20px;left:14px;z-index:9999;display:flex;flex-direction:column-reverse;gap:8px;pointer-events:none;padding-bottom:var(--safe-b)}
.toast{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:11px 15px;font-size:13px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;min-width:220px;max-width:320px;animation:slideToast .3s ease;pointer-events:all}
.toast-success{border-right:3px solid var(--success)}.toast-danger{border-right:3px solid var(--danger)}.toast-warning{border-right:3px solid var(--warning)}.toast-info{border-right:3px solid var(--info)}
@keyframes slideToast{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}

/* ===== PLAN BUILDER ===== */
.plan-builder{background:var(--bg);border:1px solid var(--border2);border-radius:var(--radius-lg);padding:14px}
.plan-subject-row{display:flex;gap:10px;align-items:flex-end;margin-bottom:8px;background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius);padding:12px;flex-wrap:wrap}
.remove-row-btn{background:rgba(239,68,68,.12);border:none;color:var(--danger);border-radius:8px;width:32px;height:32px;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s}
.remove-row-btn:hover{background:rgba(239,68,68,.28)}

/* ===== ADVISOR CARD ===== */
.adv-mini-card{transition:all .2s}
.adv-mini-card:hover{transform:translateY(-2px)}
.adv-mini-card.selected-adv{border-color:var(--primary) !important;box-shadow:0 0 0 3px rgba(99,102,241,.2) !important}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .3s ease}
@keyframes spin{to{transform:rotate(360deg)}}
.fa-spin{animation:spin 1s linear infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.pulse{animation:pulse 2s ease infinite}

/* ===== JALALI PICKER ===== */
.jdp-wrap{position:relative}
.jdp-wrap input[readonly]{cursor:pointer}

/* ===== RESPONSIVE: Tablet ===== */
@media(max-width:900px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}

/* ===== RESPONSIVE: Mobile 768px ===== */
@media(max-width:768px){
  :root{--topbar-h:54px}
  .sidebar{transform:translateX(100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-right:0}
  .sidebar-toggle{display:flex}
  .content-area{padding:12px}
  .card{padding:15px}
  .card-header{margin-bottom:14px;padding-bottom:12px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .table{font-size:12px}
  .table th,.table td{padding:9px 10px}
  .hero{padding:40px 16px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:13.5px}
  .home-nav{padding:12px 16px}
  .notif-panel{left:10px;right:10px;width:auto}
  .toast-container{left:10px;right:10px;align-items:stretch}
  .toast{min-width:0;max-width:100%}
  .modal{padding:20px 16px}
  .subject-row{gap:10px}
  .time-hms input{width:40px;font-size:14px}
  .time-hms{padding:7px 10px}
  .topbar{padding:0 14px}
  .page-title{font-size:14px}
  /* hide logout text, show only icon */
  .topbar-actions .btn-sm .btn-text{display:none}
}

/* ===== RESPONSIVE: Small Mobile 480px ===== */
@media(max-width:480px){
  .card{padding:12px;border-radius:var(--radius)}
  .hero-title{font-size:22px}
  .auth-card{padding:22px 16px}
  .stat-value{font-size:20px}
  .lb-row{padding:10px 12px;gap:8px}
  .lb-avatar{width:34px;height:34px;font-size:13px;border-radius:10px}
  .content-area{padding:10px}
  .subject-row{padding:11px 12px}
  .day-nav{padding:10px 12px;gap:6px}
  .day-nav-btn{padding:5px 10px;font-size:11px}
  .submit-bar{padding:12px 14px}
}

/* ===== PRINT ===== */
@media print{
  .sidebar,.topbar,.toast-container{display:none !important}
  .main-content{margin-right:0}
  .content-area{padding:0}
  body{background:#fff;color:#000}
  .card{box-shadow:none;border:1px solid #ddd}
}

/* ===== RESPONSIVE ENHANCEMENTS v3.2 ===== */

/* Modal: center on tablet+ */
@media(min-width:769px){
  .modal-overlay{align-items:center}
  .modal{border-radius:var(--radius-xl);max-width:580px;animation:fadeIn .25s ease}
  .modal.modal-lg{max-width:720px}
}

/* ===== USER TABLE - mobile card layout ===== */
@media(max-width:768px){
  /* Users table: hide less important cols, make it scrollable */
  #usersTable th:nth-child(4),
  #usersTable td:nth-child(4),
  #usersTable th:nth-child(7),
  #usersTable td:nth-child(7){display:none}

  /* Profile: stack columns */
  .profile-grid{grid-template-columns:1fr!important}

  /* Admin users action buttons - wrap better */
  #usersTable .btn-sm{padding:5px 6px!important}
  #usersTable td:last-child>div{gap:3px!important}

  /* Dashboard stat cards - 2 col on mobile */
  .grid-4.stats-row{grid-template-columns:repeat(2,1fr)}

  /* Filter bar wrap */
  .filter-bar{flex-wrap:wrap;gap:6px}
  .filter-bar form{width:100%}
}

@media(max-width:480px){
  /* Users table actions: 2 per row */
  #usersTable td:last-child>div{flex-wrap:wrap;max-width:120px}

  /* Stat cards */
  .grid-4.stats-row{grid-template-columns:repeat(2,1fr)}
  .grid-4.stats-row .stat-value{font-size:18px}

  /* topbar clock: hide on very small */
  #jalaliClock{display:none}
}

/* Profile page stack */
@media(max-width:768px){
  .page-grid-2{grid-template-columns:1fr!important}
}

/* Delete confirm modal - danger themed */
#deleteModal .modal-title{color:var(--danger)}

/* Table action col: no wrap */
.table td:last-child{white-space:nowrap}

/* ===== USERS TABLE MOBILE CARD VIEW ===== */
@media(max-width:640px){
  /* Convert users table to card layout */
  #usersTable,
  #usersTable thead,
  #usersTable tbody,
  #usersTable th,
  #usersTable td,
  #usersTable tr{display:block}

  #usersTable thead{display:none}

  #usersTable tr{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:12px;
    margin-bottom:10px;
    position:relative;
  }
  #usersTable tr:hover td{background:transparent}

  #usersTable td{
    padding:4px 0;
    border:none;
    font-size:13px;
    white-space:normal;
  }

  /* Hide row number on mobile */
  #usersTable td:first-child{display:none}

  /* Name cell: bigger */
  #usersTable td:nth-child(2){
    font-size:14px;
    padding-bottom:6px;
    border-bottom:1px solid var(--border2);
    margin-bottom:6px;
  }

  /* Role badge: inline with city */
  #usersTable td:nth-child(5){display:inline-block;margin-left:8px}

  /* Status: inline */
  #usersTable td:nth-child(8){display:inline-block}

  /* Actions: full width row at bottom */
  #usersTable td:last-child{
    padding-top:10px;
    margin-top:6px;
    border-top:1px solid var(--border2);
    white-space:normal;
  }
  #usersTable td:last-child>div{
    display:flex;
    flex-wrap:wrap;
    gap:6px;
  }
  /* Advisor col: show on mobile too */
  #usersTable td:nth-child(4){color:var(--text2);font-size:12px}
  /* Date col: show */
  #usersTable td:nth-child(7){color:var(--text3);font-size:11px}
  /* Request col */
  #usersTable td:nth-child(6){display:inline-block;margin-left:8px}
}

/* ============================================================
   پیام‌رسان — Messenger Styles
   ============================================================ */
.messenger-page .content-area{padding:0;overflow:hidden;display:flex;height:calc(100vh - var(--topbar-h))}
.messenger-wrap{display:flex;width:100%;height:100%;overflow:hidden;background:var(--bg)}

/* ── Sidebar مخاطبین ── */
.msg-sidebar{width:320px;min-width:320px;border-left:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;height:100%;flex-shrink:0}
.msg-sidebar-header{padding:14px 16px;border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0}
.msg-sidebar-title-row{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--text);margin-bottom:10px}
.msg-search-wrap{position:relative}
.msg-search-input{width:100%;background:var(--bg2);border:1px solid var(--border2);border-radius:10px;padding:8px 14px 8px 34px;color:var(--text);font-family:var(--font);font-size:13px;outline:none;transition:border .2s}
.msg-search-input:focus{border-color:var(--primary)}
.msg-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:13px;pointer-events:none}
.contact-list{flex:1;overflow-y:auto;overflow-x:hidden}
.contact-list::-webkit-scrollbar{width:3px}
.contact-item{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;transition:background .15s;border-bottom:1px solid var(--border2);position:relative}
.contact-item:hover{background:var(--bg2)}
.contact-item.active{background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(124,58,237,.1));border-left:3px solid var(--primary)}
.contact-avatar{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;flex-shrink:0;letter-spacing:-1px}
.contact-avatar.role-admin{background:linear-gradient(135deg,#ef4444,#dc2626)}
.contact-avatar.role-advisor{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}
.contact-avatar.role-student{background:linear-gradient(135deg,#0ea5e9,#0284c7)}
.contact-info{flex:1;min-width:0}
.contact-top-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:3px}
.contact-name{font-size:13.5px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}
.contact-time{font-size:11px;color:var(--text3);white-space:nowrap;flex-shrink:0}
.contact-bottom-row{display:flex;align-items:center;justify-content:space-between;gap:6px}
.contact-preview{font-size:12px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.contact-preview.empty{color:var(--text3);font-style:italic}
.contact-badge{background:var(--primary);color:#fff;font-size:10px;font-weight:700;border-radius:12px;padding:2px 7px;flex-shrink:0;min-width:20px;text-align:center}
.contact-loading{padding:24px;text-align:center;color:var(--text3);font-size:13px}
.contact-empty{padding:24px;text-align:center;color:var(--text3);font-size:13px}

/* ── ناحیه چت ── */
.msg-chat{flex:1;display:flex;flex-direction:column;height:100%;min-width:0;background:var(--bg)}

/* حالت خالی */
.msg-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;text-align:center}
.msg-empty-icon{width:80px;height:80px;background:rgba(99,102,241,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:32px;color:var(--primary)}
.msg-empty-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.msg-empty-sub{font-size:13px;color:var(--text2);max-width:280px;line-height:1.7}

/* هدر چت */
.msg-chat-header{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;min-height:64px}
.msg-back-btn{background:none;border:none;color:var(--text2);font-size:16px;cursor:pointer;padding:8px;border-radius:8px;transition:background .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.msg-back-btn:hover{background:var(--surface2);color:var(--text)}
.chat-header-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0}
.chat-header-avatar.role-admin{background:linear-gradient(135deg,#ef4444,#dc2626)}
.chat-header-avatar.role-advisor{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}
.chat-header-avatar.role-student{background:linear-gradient(135deg,#0ea5e9,#0284c7)}
.chat-header-info{flex:1;min-width:0}
.chat-header-name{font-size:14px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-header-role{font-size:12px;color:var(--text2)}

/* بدنه پیام‌ها */
.msg-body{flex:1;overflow-y:auto;overflow-x:hidden;padding:16px 14px;display:flex;flex-direction:column}
.msg-body::-webkit-scrollbar{width:3px}
.messages-container{display:flex;flex-direction:column;gap:4px;min-height:100%}
.msg-loading{padding:24px;text-align:center;color:var(--text3);font-size:13px;align-self:center}
.msg-no-msg{align-self:center;margin:auto;text-align:center;color:var(--text3);font-size:13px;line-height:1.8;padding:20px}

/* جداکننده تاریخ */
.msg-date-sep{text-align:center;margin:12px 0;position:relative}
.msg-date-sep::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border2)}
.msg-date-sep span{position:relative;background:var(--bg);padding:0 12px;font-size:11px;color:var(--text3)}

/* حباب پیام */
.msg-row{display:flex;margin-bottom:3px}
.msg-row.mine{justify-content:flex-start}
.msg-row.theirs{justify-content:flex-end}
.msg-bubble{max-width:72%;padding:10px 14px;border-radius:18px;word-break:break-word;line-height:1.6;position:relative}
.msg-bubble.mine{background:linear-gradient(135deg,var(--primary-dark),#7c3aed);color:#fff;border-bottom-right-radius:4px}
.msg-bubble.theirs{background:var(--surface2);color:var(--text);border-bottom-left-radius:4px;border:1px solid var(--border2)}
.msg-txt{font-size:13.5px;white-space:pre-wrap}
.msg-meta{font-size:10px;margin-top:4px;opacity:.65;display:flex;align-items:center;gap:4px;justify-content:flex-end}

/* ورودی پیام */
.msg-input-area{padding:12px 14px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;padding-bottom:calc(12px + var(--safe-b))}
.msg-input-wrap{display:flex;align-items:flex-end;gap:10px;background:var(--bg2);border:1px solid var(--border2);border-radius:14px;padding:8px 12px;transition:border .2s}
.msg-input-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.msg-textarea{flex:1;background:none;border:none;outline:none;color:var(--text);font-family:var(--font);font-size:13.5px;resize:none;min-height:22px;max-height:120px;line-height:1.5;overflow-y:auto}
.msg-textarea::placeholder{color:var(--text3)}
.msg-send-btn{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:10px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .2s;font-size:14px}
.msg-send-btn:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(99,102,241,.4)}
.msg-send-btn:disabled{opacity:.5;transform:none;cursor:not-allowed}

.hidden{display:none!important}

/* ============================================================
   ریسپانسیو پیام‌رسان - موبایل
   ============================================================ */
@media(max-width:767px){
  .messenger-page .content-area{height:calc(100vh - var(--topbar-h));padding:0}
  .messenger-wrap{position:relative}
  .msg-sidebar{width:100%;min-width:0;position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;transition:transform .25s cubic-bezier(.4,0,.2,1)}
  .msg-sidebar.mobile-hidden{transform:translateX(100%)}
  .msg-chat{width:100%;position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;transform:translateX(-100%);transition:transform .25s cubic-bezier(.4,0,.2,1)}
  .msg-chat.mobile-active{transform:translateX(0);z-index:3}
  .msg-back-btn{display:flex}
  .msg-bubble{max-width:85%}
  .contact-item{padding:11px 12px}
  .contact-avatar{width:42px;height:42px;font-size:14px}
}
@media(min-width:768px){
  .msg-back-btn{display:flex}
}