/* Zukaro SMS Dashboard - Core Styles — APK-matched monochrome theme */
:root {
    --bg-primary: #0e0e11; --bg-secondary: #141317; --bg-card: #1c1b1f;
    --bg-sidebar: #0e0e11; --bg-hover: #2b292d; --bg-input: #141317;
    --text-primary: #e6e1e5; --text-secondary: #cac4d0; --text-muted: #938f99;
    /* APK accent = white, primary = black — buttons are black with white text */
    --accent: #ffffff; --accent-hover: #e6e1e5; --accent-glow: rgba(255,255,255,0.08);
    --border: #322f37; --border-light: #49454f;
    --success: #4caf50; --warning: #ff9800; --danger: #f44336; --info: #cac4d0;
    /* Stat card gradients — monochrome with subtle tints */
    --yellow-grad: linear-gradient(135deg,#3a3020,#2a2010);
    --blue-grad: linear-gradient(135deg,#1a1a2e,#0f0f1a);
    --cyan-grad: linear-gradient(135deg,#0d2020,#081515);
    --green-grad: linear-gradient(135deg,#0d2010,#081508);
    --red-grad: linear-gradient(135deg,#2e0d0d,#1a0808);
    --gray-grad: linear-gradient(135deg,#2b292d,#1c1b1f);
    --purple-grad: linear-gradient(135deg,#1d192b,#141020);
    --dark-grad: linear-gradient(135deg,#1c1b1f,#0e0e11);
    --emerald-grad: linear-gradient(135deg,#0d2018,#081510);
    --sidebar-w: 260px; --topbar-h: 60px;
    --radius: 12px; --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.5); --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="light"] {
    --bg-primary:#f4eff4; --bg-secondary:#fffbfe; --bg-card:#fffbfe;
    --bg-sidebar:#1c1b1f; --bg-hover:#e7e0ec; --bg-input:#f4eff4;
    --text-primary:#1c1b1f; --text-secondary:#49454f; --text-muted:#79747e;
    --accent:#000000; --accent-hover:#1c1b1f; --accent-glow:rgba(0,0,0,0.08);
    --border:#cac4d0; --border-light:#e7e0ec;
    --shadow:0 4px 24px rgba(0,0,0,0.08); --shadow-sm:0 2px 8px rgba(0,0,0,0.05);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden;min-height:100vh}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* ============ LOGIN SCREEN ============ */
.login-screen{
    position:fixed;inset:0;
    display:none;align-items:center;justify-content:center;
    background:#0e0e11;
    padding:24px;z-index:5000
}
.login-screen::before{
    content:'';position:absolute;inset:0;
    background-image:
        radial-gradient(circle at 20% 30%,rgba(255,255,255,0.03) 0%,transparent 40%),
        radial-gradient(circle at 80% 70%,rgba(255,255,255,0.02) 0%,transparent 40%);
    pointer-events:none
}
.login-container{
    position:relative;z-index:1;
    width:100%;max-width:480px;
    background:#1c1b1f;border:1px solid #322f37;
    border-radius:16px;padding:40px 32px;
    box-shadow:0 20px 60px rgba(0,0,0,0.7)
}
.login-brand{text-align:center;margin-bottom:32px}
.login-logo{
    width:220px;height:220px;margin:0 auto 16px;
    display:flex;align-items:center;justify-content:center;
    background:none;box-shadow:none;overflow:visible
}
.login-brand h1{font-size:1.8rem;font-weight:800;color:#ffffff;margin-bottom:8px;letter-spacing:-0.5px}
.login-brand p{color:#938f99;font-size:0.95rem}
.login-form .form-group{margin-bottom:20px}
.login-form label{
    display:flex;align-items:center;gap:6px;
    font-weight:600;color:#cac4d0;
    margin-bottom:8px;font-size:0.85rem
}
.login-form label i{color:#ffffff}
.login-form .form-input{
    padding:14px 16px;font-size:1rem;
    background:#141317;border:1px solid #322f37;color:#e6e1e5
}
.login-form .form-input:focus{border-color:#ffffff;box-shadow:0 0 0 2px rgba(255,255,255,0.1)}
.login-form small{
    display:block;margin-top:8px;
    color:#79747e;font-size:0.8rem
}
.login-form small code{
    background:#0e0e11;
    padding:1px 6px;border-radius:4px;
    color:#e6e1e5;font-size:0.85em
}
/* Sign In button — pure black like APK */
.login-form .btn-primary{
    background:#000000;color:#ffffff;
    border:1px solid #49454f;
    font-size:1rem;padding:14px;
    letter-spacing:0.5px
}
.login-form .btn-primary:hover{background:#1c1b1f;border-color:#938f99}
.login-error{
    color:#f44336;text-align:center;
    margin-top:12px;font-size:0.85rem;
    min-height:1.2em
}
.login-footer{
    text-align:center;margin-top:24px;
    padding-top:24px;border-top:1px solid #322f37
}
.login-footer a{
    color:#cac4d0;text-decoration:none;
    font-weight:500;font-size:0.9rem;
    display:inline-flex;align-items:center;gap:8px
}
.login-footer a:hover{color:#ffffff}

/* Sidebar */
.sidebar{position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;background:var(--bg-sidebar);border-right:1px solid var(--border);z-index:1000;display:flex;flex-direction:column;transition:var(--transition)}
.sidebar.collapsed{transform:translateX(-100%)}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.brand-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;background:#1c1b1f}
.brand-icon img{width:44px;height:44px;object-fit:contain;filter:invert(1) brightness(1.2)}
.brand-text{font-size:1.2rem;font-weight:700;color:#fff;letter-spacing:0.5px}
.sidebar-user{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}
.user-avatar{width:36px;height:36px;background:var(--accent-glow);border:2px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:14px}
.user-info{display:flex;flex-direction:column;overflow:hidden}
.user-name{color:#fff;font-weight:600;font-size:0.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-status{color:var(--text-muted);font-size:0.75rem;display:flex;align-items:center;gap:4px}
.status-dot{width:8px;height:8px;background:var(--success);border-radius:50%;display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
.sidebar-nav{flex:1;overflow-y:auto;padding:8px 0}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 20px;color:var(--text-secondary);text-decoration:none;transition:var(--transition);font-size:0.9rem;border-left:3px solid transparent;cursor:pointer}
.nav-item:hover{background:rgba(255,255,255,0.05);color:#fff}
.nav-item.active{background:var(--accent-glow);color:var(--accent);border-left-color:var(--accent)}
.nav-item i{width:20px;text-align:center;font-size:1rem}
.nav-divider{height:1px;background:var(--border);margin:8px 20px}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}
.btn-logout{
    width:100%;padding:10px;
    background:transparent;border:1px solid var(--border);
    color:var(--text-secondary);
    border-radius:var(--radius-sm);cursor:pointer;
    display:flex;align-items:center;justify-content:center;gap:8px;
    font-size:0.85rem;font-weight:500;
    transition:var(--transition)
}
.btn-logout:hover{background:var(--danger);color:#fff;border-color:var(--danger)}

/* Main Content */
.main-content{margin-left:var(--sidebar-w);min-height:100vh;transition:var(--transition)}
.topbar{height:var(--topbar-h);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}
.menu-toggle{background:none;border:none;color:var(--text-primary);font-size:1.2rem;cursor:pointer;padding:8px;border-radius:var(--radius-sm);display:none}
.menu-toggle:hover{background:var(--bg-hover)}
.topbar-right{display:flex;align-items:center;gap:16px}
.server-status{display:flex;align-items:center;gap:8px;font-size:0.85rem;color:var(--text-secondary);background:var(--bg-card);padding:6px 14px;border-radius:20px;border:1px solid var(--border)}
.status-indicator{width:8px;height:8px;border-radius:50%}
.status-indicator.online{background:var(--success);box-shadow:0 0 8px var(--success)}
.status-indicator.offline{background:var(--danger)}
.topbar-user{display:flex;align-items:center;gap:8px;color:var(--text-primary);font-weight:500}
.role-badge{
    padding:3px 10px;border-radius:12px;
    font-size:0.7rem;font-weight:700;
    text-transform:uppercase;letter-spacing:0.5px
}
.role-badge.role-admin{background:rgba(255,255,255,0.1);color:#ffffff;border:1px solid rgba(255,255,255,0.2)}
.role-badge.role-customer{background:rgba(255,255,255,0.05);color:#cac4d0;border:1px solid rgba(255,255,255,0.1)}

/* Page Content */
.page-content{padding:24px}
.page{display:none;animation:fadeIn 0.3s ease}.page.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px;position:relative;z-index:5}
.page-header h1{font-size:1.8rem;font-weight:700;letter-spacing:-0.5px}
.header-actions{display:flex;gap:8px;align-items:center;position:relative;z-index:10}
.section-title{font-size:1rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin:24px 0 12px}
.section-title:first-of-type{margin-top:0}
.page-intro{color:var(--text-secondary);margin-bottom:24px;font-size:0.95rem}
.page-intro code{background:var(--bg-input);padding:2px 8px;border-radius:4px;color:var(--accent)}

/* Role-based visibility */
body[data-role="customer"] .admin-only,
body[data-role="customer"] .admin-only-inline{display:none!important}
body[data-role="admin"] .customer-only,
body[data-role="admin"] .customer-only-inline{display:none!important}

/* Stat Cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:8px}
.stat-card{border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;transition:var(--transition);cursor:default}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-card .stat-content h3{font-size:2rem;font-weight:800;color:#fff;line-height:1}
.stat-card .stat-content p{color:rgba(255,255,255,0.85);font-size:0.9rem;margin-top:4px;font-weight:500}
.stat-card .stat-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);font-size:2.5rem;color:rgba(255,255,255,0.2)}
.stat-card.yellow{background:var(--yellow-grad)}.stat-card.blue{background:var(--blue-grad)}
.stat-card.cyan{background:var(--cyan-grad)}.stat-card.green{background:var(--green-grad)}
.stat-card.green-alt{background:linear-gradient(135deg,#22c55e,#16a34a)}.stat-card.red{background:var(--red-grad)}
.stat-card.gray{background:var(--gray-grad)}.stat-card.blue-alt{background:linear-gradient(135deg,#2563eb,#1d4ed8)}
.stat-card.emerald{background:var(--emerald-grad)}.stat-card.purple{background:var(--purple-grad)}
.stat-card.dark{background:var(--dark-grad)}

/* Cards */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:relative;z-index:5}
.card-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}
.card-header h3 i{color:var(--accent)}
.card-body{padding:20px}

/* Tables */
.table-responsive{overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
.data-table{width:100%;border-collapse:collapse;min-width:600px}
.data-table th{background:var(--bg-hover);color:var(--text-secondary);font-weight:600;text-transform:uppercase;font-size:0.75rem;letter-spacing:0.5px;padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:0.9rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:250px}
.data-table tr:hover td{background:var(--bg-hover)}
.empty-state{text-align:center;padding:40px!important;color:var(--text-muted);font-size:0.95rem;line-height:2;white-space:normal!important;max-width:none!important}
.empty-state i{font-size:2rem;display:block;margin-bottom:8px;opacity:0.5}

/* Telegram User Cell */
.user-cell{display:flex;align-items:center;gap:8px}
.telegram-icon{color:#26a5e4;font-size:1.1rem}
.user-cell-name{font-weight:600;color:var(--text-primary);font-size:0.85rem}
.user-cell-username{color:var(--text-muted);font-size:0.75rem}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:20px}
.form-group{margin-bottom:16px;position:relative;z-index:5}
.form-group label{display:block;font-weight:500;margin-bottom:6px;color:var(--text-secondary);font-size:0.85rem}
.form-group small{color:var(--text-muted);font-size:0.8rem;margin-top:4px;display:block}
.form-input,.form-select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.9rem;font-family:inherit;transition:var(--transition);outline:none;position:relative;z-index:5}
.form-input:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
textarea.form-input{resize:vertical}
.char-count{font-size:0.8rem;color:var(--text-muted);text-align:right;display:block;margin-top:4px}
.time-filter{padding:6px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:0.85rem;cursor:pointer;position:relative;z-index:10}

/* Buttons — visible on dark background */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;cursor:pointer;transition:var(--transition);font-family:inherit;position:relative;z-index:10;white-space:nowrap;-webkit-tap-highlight-color:transparent;user-select:none;text-decoration:none;letter-spacing:0.3px}
/* Primary: white background, black text — visible on dark bg */
.btn-primary{background:#ffffff;color:#000000;border:1px solid #ffffff}.btn-primary:hover{background:#e6e1e5;border-color:#e6e1e5;box-shadow:0 4px 12px rgba(255,255,255,0.15)}
.btn-primary:active{transform:scale(0.98)}
[data-theme="light"] .btn-primary{background:#000000;color:#ffffff;border:1px solid #000000}
.btn-danger{background:transparent;color:#f44336;border:1px solid #f44336}.btn-danger:hover{background:#f44336;color:#fff}
.btn-danger:active{transform:scale(0.98)}
.btn-block{width:100%;justify-content:center}.btn-sm{padding:6px 12px;font-size:0.8rem}.btn-lg{padding:14px 28px;font-size:1rem}
.btn:disabled{opacity:0.4;cursor:not-allowed}

/* Login Sign In button — keep white on dark */
.login-form .btn-primary{
    background:#ffffff;color:#000000;
    border:1px solid #ffffff;
    font-size:1rem;padding:14px;
    letter-spacing:0.5px
}
.login-form .btn-primary:hover{background:#e6e1e5;border-color:#e6e1e5}

/* Toggle Switch */
.toggle-label{display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:500;gap:12px;width:100%}
.toggle-text{color:var(--text-primary);font-size:0.9rem;flex:1}
.toggle-wrap{flex-shrink:0;display:flex;align-items:center}
.toggle-input{display:none}
.toggle-switch{width:44px;height:24px;background:var(--border);border-radius:12px;position:relative;transition:var(--transition);display:block;flex-shrink:0}
.toggle-switch::after{content:'';position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;top:3px;left:3px;transition:var(--transition)}
.toggle-input:checked+.toggle-switch{background:var(--accent)}.toggle-input:checked+.toggle-switch::after{left:23px}
.toggle-row{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px}

/* Status Badges */
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;white-space:nowrap}
.badge-online{background:rgba(52,211,153,0.15);color:var(--success)}
.badge-offline{background:rgba(248,113,113,0.15);color:var(--danger)}
.badge-sent{background:rgba(16,185,129,0.15);color:#10b981}
.badge-pending{background:rgba(251,191,36,0.15);color:#fbbf24}
.badge-failed{background:rgba(239,68,68,0.15);color:#ef4444}

/* API Key Box */
.api-key-box{display:flex;align-items:center;gap:12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;position:relative;z-index:5}
.api-key-box code{flex:1;font-family:'Courier New',monospace;color:var(--accent);font-size:0.9rem;word-break:break-all;overflow-wrap:break-word}

/* Plans */
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.plan-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:var(--transition);display:flex;flex-direction:column}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plan-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 8px 32px rgba(79,140,255,0.15)}
.plan-badge{display:inline-block;padding:4px 16px;border-radius:20px;font-size:0.8rem;font-weight:700;background:var(--accent-glow);color:var(--accent);margin:0 auto 16px}
.plan-price{font-size:2.5rem;font-weight:800;margin-bottom:24px}.plan-price span{font-size:1rem;font-weight:400;color:var(--text-muted)}
.plan-features{list-style:none;text-align:left;flex:1;margin-bottom:20px}
.plan-features li{padding:8px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;font-size:0.9rem}
.plan-features li i{color:var(--success)}

/* Download Page */
.download-container{display:flex;justify-content:center;padding:40px 0}
.download-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:48px;text-align:center;max-width:500px}
.download-icon{font-size:4rem;color:var(--success);margin-bottom:16px}
.download-card h2{font-size:1.5rem;margin-bottom:8px}
.version-tag{color:var(--accent);font-weight:600;margin-bottom:16px}
.download-card p{color:var(--text-secondary);margin-bottom:24px;line-height:1.6}

/* Plans grid */
.plans-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}

/* Prevent pages from growing infinitely tall on zoom-out */
.page-content{padding:24px;max-width:1600px;margin:0 auto}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:8px}

/* Admin section content — cap height so pricing doesn't cause infinite scroll */
#adminSectionContent .card-body{max-height:70vh;overflow-y:auto}

/* Admin action grid */
.admin-actions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:8px}
.admin-action-btn{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);padding:20px 16px;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-primary);font-weight:600;font-size:0.9rem}
.admin-action-btn i{font-size:1.6rem;color:#ffffff}
.admin-action-btn:hover{background:var(--bg-hover);border-color:#ffffff;transform:translateY(-2px)}

/* Templates grid */
.templates-grid{display:flex;flex-direction:column;gap:12px}
.templates-grid .card{margin-bottom:0}

/* SIM Manager */
.sim-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.sim-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--transition)}
.sim-card.sim-online{border-left:3px solid var(--success)}
.sim-card.sim-offline{border-left:3px solid var(--danger);opacity:0.85}
.sim-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sim-card-title{display:flex;align-items:center;gap:8px;font-size:1rem;font-weight:600}
.sim-status-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.sim-status-dot.online{background:var(--success);box-shadow:0 0 6px var(--success)}
.sim-status-dot.offline{background:var(--danger)}
.sim-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.sim-info-item{display:flex;flex-direction:column;gap:2px}
.sim-info-label{font-size:0.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}
.sim-info-label i{margin-right:4px;color:var(--accent)}
.sim-info-value{font-size:0.88rem;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sim-stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;background:var(--bg-input);border-radius:var(--radius-sm);padding:12px;margin-bottom:12px;text-align:center}
.sim-stat span{display:block;font-size:1.2rem;font-weight:700;color:var(--text-primary)}
.sim-stat small{font-size:0.7rem;color:var(--text-muted);text-transform:uppercase}
.sim-limit-bar{margin-bottom:12px}
.sim-notes{font-size:0.82rem;color:var(--text-secondary);background:var(--bg-input);border-radius:var(--radius-sm);padding:8px 12px;margin-bottom:12px;border-left:3px solid var(--accent)}
.sim-card-actions{display:flex;gap:8px}
@media(max-width:768px){.sim-cards-grid{grid-template-columns:1fr}.sim-info-grid{grid-template-columns:1fr}}

/* Toast Notifications */
.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:14px 20px;border-radius:var(--radius-sm);color:#fff;font-weight:500;font-size:0.9rem;box-shadow:var(--shadow);animation:slideIn 0.3s ease;min-width:280px;display:flex;align-items:center;gap:10px;transition:opacity 0.3s,transform 0.3s}
.toast.success{background:#059669}.toast.error{background:#dc2626}.toast.info{background:#2563eb}
@keyframes slideIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:2000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-overlay.active{display:flex}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:500px;max-height:80vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-header h3{font-weight:600}.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer}
.modal-body{padding:20px}

/* Responsive */
@media(max-width:768px){
    .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0}.menu-toggle{display:block}
    .stat-grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}
    .page-header h1{font-size:1.4rem}.plans-grid{grid-template-columns:1fr}
    .settings-grid{grid-template-columns:1fr}
    .page-content{padding:16px}
    .topbar{padding:0 16px}
    .card-body{padding:16px}
    .data-table{font-size:0.8rem}
    .data-table th,.data-table td{padding:8px 10px}
    .btn{padding:8px 16px;font-size:0.85rem}
    .btn-sm{padding:6px 10px;font-size:0.75rem}
    .topbar-user span{display:none}
    .role-badge{display:inline-flex!important}
    .login-container{padding:32px 24px}
    .login-brand h1{font-size:1.5rem}
}
@media(max-width:480px){
    .stat-grid{grid-template-columns:1fr}
    .page-header{flex-direction:column;align-items:flex-start}
    .header-actions{width:100%;justify-content:flex-end}
    .topbar-right{gap:8px}
    .server-status{padding:4px 10px;font-size:0.75rem}
    .data-table{font-size:0.75rem;min-width:500px}
    .form-input,.form-select{font-size:0.85rem;padding:8px 12px}
    .card-header h3{font-size:0.9rem}
    .stat-card .stat-content h3{font-size:1.5rem}
    .stat-card .stat-icon{font-size:2rem}
    .badge{font-size:0.65rem;padding:3px 8px}
    html{font-size:13px}
    .login-container{padding:24px 20px}
    .login-logo{width:60px;height:60px;font-size:24px}
}