/* ============ RESET & ROOT ============ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #020510;
    --primary: #00f0ff;
    --secondary: #bf00ff;
    --accent: #ff2d78;
    --green: #00ffaa;
    --text: #e2e8f0;
    --text-muted: #64748b;
    --glass-bg: rgba(6, 15, 35, 0.72);
    --glass-border: rgba(0, 240, 255, 0.12);
    --sidebar-w: 240px;
    --topbar-h: 64px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============ CANVAS & SCANLINES ============ */
#bgCanvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
}

.scanlines {
    position: fixed;
    inset: 0;
    z-index: 1;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, 0.03) 2px,
            rgba(0, 0, 0, 0.03) 4px);
    pointer-events: none;
}

/* ============ SCREENS ============ */
.screen {
    position: relative;
    z-index: 2;
    min-height: 100vh;
}

.hidden { display: none !important; }

/* ============ LOGIN SCREEN ============ */
#loginScreen {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    min-height: 100vh;
}

.login-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border-radius: 28px;
    padding: 3rem 2.75rem;
    width: 100%;
    max-width: 440px;
    text-align: center;
    box-shadow:
        0 0 0 1px rgba(0, 240, 255, 0.05),
        0 30px 70px rgba(0, 0, 0, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    animation: fadeUp 0.9s ease forwards;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
    opacity: 0.9;
}

.logo-wrap { margin-bottom: 1.25rem; }

.login-logo {
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.4));
    animation: logoFloat 4s ease-in-out infinite;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--primary);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0.3rem 0.9rem;
    border-radius: 100px;
    margin-bottom: 1.25rem;
    animation: blink 2s ease-in-out infinite;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 6px var(--primary);
    animation: pulseDot 2s ease-in-out infinite;
}

.admin-badge {
    border-color: rgba(191, 0, 255, 0.4);
    color: var(--secondary);
}

.admin-badge::before {
    background: var(--secondary);
    box-shadow: 0 0 6px var(--secondary);
}

.login-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: 0.6rem;
    letter-spacing: -1.5px;
}

.grad {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 60%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* ============ FORM ============ */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.field-group { display: flex; flex-direction: column; gap: 0.4rem; }

.field-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.field-input {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.field-input::placeholder { color: var(--text-muted); }

.field-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.pass-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.pass-wrap .field-input { padding-right: 3rem; }

.eye-btn {
    position: absolute;
    right: 0.85rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.eye-btn:hover { color: var(--primary); }
.eye-btn svg { width: 18px; height: 18px; }

.login-error {
    display: none;
    color: var(--accent);
    font-size: 0.82rem;
    padding: 0.6rem 0.9rem;
    background: rgba(255, 45, 120, 0.08);
    border: 1px solid rgba(255, 45, 120, 0.25);
    border-radius: 8px;
    animation: fadeUp 0.3s ease;
}

.login-error.show { display: block; }

.login-btn {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
    box-shadow: 0 4px 22px rgba(0, 240, 255, 0.3);
    margin-top: 0.5rem;
}

.login-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,240,255,0.5); filter: brightness(1.1); }
.login-btn:active { transform: translateY(0); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(0,0,0,0.3);
    border-top-color: #000;
    border-radius: 50%;
    display: none;
    animation: spin 0.7s linear infinite;
}

.btn-spinner.show { display: block; }

.login-footer {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ============ DASHBOARD LAYOUT ============ */
#dashScreen {
    display: flex;
    min-height: 100vh;
}

/* ============ SIDEBAR ============ */
.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: rgba(4, 10, 26, 0.92);
    border-right: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo-img {
    height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.35));
}

.sidebar-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--primary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 0.75rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    border-radius: 10px;
    color: var(--text-muted);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s, color 0.2s;
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav-item:hover {
    background: rgba(0, 240, 255, 0.06);
    color: var(--text);
}

.nav-item.active {
    background: rgba(0, 240, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(0, 240, 255, 0.15);
}

.sidebar-footer {
    padding: 1rem 0.75rem 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: none;
    border: 1px solid rgba(255, 45, 120, 0.2);
    border-radius: 10px;
    color: var(--accent);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.logout-btn svg { width: 16px; height: 16px; }
.logout-btn:hover { background: rgba(255, 45, 120, 0.08); border-color: rgba(255, 45, 120, 0.4); }

/* ============ MAIN CONTENT ============ */
.dash-main {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============ TOPBAR ============ */
.topbar {
    height: var(--topbar-h);
    background: rgba(4, 10, 26, 0.8);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem;
}
.menu-btn svg { width: 20px; height: 20px; }
.menu-btn:hover { color: var(--text); }

.topbar-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    flex: 1;
}

.topbar-right { display: flex; align-items: center; gap: 1rem; }

.admin-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 100px;
    padding: 0.35rem 0.85rem;
}

.admin-chip svg { width: 13px; height: 13px; }

/* ============ SECTIONS ============ */
.section {
    padding: 2rem 1.75rem;
    flex: 1;
    animation: fadeUp 0.4s ease;
}

.section-header { margin-bottom: 1.75rem; }

.section-heading {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.section-sub { color: var(--text-muted); font-size: 0.88rem; margin-top: 0.3rem; }

/* ============ STATS GRID ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1rem;
    margin-bottom: 0;
}

.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 1.4rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.3;
}

.stat-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.4); }

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg { width: 20px; height: 20px; }

.stat-icon.cyan  { background: rgba(0,240,255,0.1); color: var(--primary); border: 1px solid rgba(0,240,255,0.2); }
.stat-icon.purple{ background: rgba(191,0,255,0.1); color: var(--secondary); border: 1px solid rgba(191,0,255,0.2); }
.stat-icon.pink  { background: rgba(255,45,120,0.1); color: var(--accent); border: 1px solid rgba(255,45,120,0.2); }
.stat-icon.green { background: rgba(0,255,170,0.1); color: var(--green); border: 1px solid rgba(0,255,170,0.2); }

.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 500; margin-bottom: 0.2rem; }
.stat-value { font-family: var(--font-heading); font-size: 1.9rem; font-weight: 800; color: #fff; }

/* ============ PANELS ============ */
.panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    overflow: hidden;
}

.mt-2 { margin-top: 1.25rem; }

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--glass-border);
    flex-wrap: wrap;
    gap: 0.75rem;
}

.panel-title { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 700; color: var(--text); }

.panel-badge {
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(0,240,255,0.12);
    color: var(--primary);
    border: 1px solid rgba(0,240,255,0.2);
    border-radius: 100px;
    padding: 0.2rem 0.65rem;
}

.panel-actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }

/* ============ ACTIVITY LIST ============ */
.activity-list { padding: 0.5rem 0; }

.activity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.2s;
}

.activity-item:last-child { border-bottom: none; }
.activity-item:hover { background: rgba(0,240,255,0.03); }

.activity-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    flex-shrink: 0;
}

.activity-email {
    flex: 1;
    font-size: 0.88rem;
    color: var(--text);
    font-weight: 500;
}

.activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.empty-state {
    padding: 2.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ============ SEARCH & ACTIONS ============ */
.search-input {
    padding: 0.55rem 1rem;
    background: rgba(0,0,0,0.35);
    border: 1px solid var(--glass-border);
    border-radius: 9px;
    color: var(--text);
    font-size: 0.85rem;
    font-family: var(--font-body);
    outline: none;
    width: 220px;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,240,255,0.1); }

.action-btn {
    padding: 0.55rem 1rem;
    border: none;
    border-radius: 9px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.action-btn:hover { opacity: 0.85; transform: translateY(-1px); }
.action-btn:active { transform: translateY(0); }

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
}

.action-btn.danger {
    background: rgba(255,45,120,0.12);
    color: var(--accent);
    border: 1px solid rgba(255,45,120,0.25);
}

.action-btn.ghost {
    background: none;
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.1);
}

.action-btn.ghost:hover { color: var(--accent); border-color: rgba(255,45,120,0.3); }

/* ============ DATA TABLE ============ */
.table-wrap { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table thead th {
    text-align: left;
    padding: 0.85rem 1.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--glass-border);
    white-space: nowrap;
}

.data-table tbody td {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text);
    vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(0,240,255,0.025); }

.row-num { color: var(--text-muted); font-size: 0.78rem; }

.email-cell {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.email-avatar {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0,240,255,0.15), rgba(191,0,255,0.15));
    border: 1px solid rgba(0,240,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    font-family: var(--font-heading);
}

.date-cell { color: var(--text-muted); font-size: 0.82rem; }

.table-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.table-empty svg { width: 40px; height: 40px; opacity: 0.3; }

/* ============ ADD EMAIL FORM ============ */
.add-email-form {
    display: flex;
    gap: 0.75rem;
    padding: 1.25rem;
    flex-wrap: wrap;
}

.add-email-form .field-input { flex: 1; min-width: 200px; }

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: rgba(6,15,35,0.95);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 9999;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    max-width: 300px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.success { border-color: rgba(0,255,170,0.3); color: var(--green); }
.toast.error   { border-color: rgba(255,45,120,0.3); color: var(--accent); }
.toast.info    { border-color: rgba(0,240,255,0.3); color: var(--primary); }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-4px); }
}

@keyframes blink {
    0%, 100% { border-color: rgba(0,240,255,0.3); }
    50%       { border-color: rgba(0,240,255,0.7); }
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(0.7); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 30px rgba(0,0,0,0.6);
    }

    .dash-main { margin-left: 0; }

    .menu-btn { display: flex; }

    .topbar { padding: 0 1rem; }

    .section { padding: 1.5rem 1rem; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    .search-input { width: 150px; }

    .topbar-title { font-size: 0.95rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-value { font-size: 1.5rem; }
    .login-card { padding: 2rem 1.5rem; }
    .panel-header { flex-direction: column; align-items: flex-start; }
    .panel-actions { width: 100%; }
    .search-input { width: 100%; }
}