/* ==========================================================================
   1. Global Variables & Theme Config
   ========================================================================== */
:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(22, 30, 46, 0.65);
    --card-border: rgba(255, 255, 255, 0.12);
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --input-bg: rgba(15, 23, 42, 0.6);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

[data-theme="light"] {
    --bg-color: #e2e8f0;
    --card-bg: rgba(255, 255, 255, 0.65);
    --card-border: rgba(255, 255, 255, 0.4);
    --text-color: #0f172a;
    --text-muted: #64748b;
    --input-bg: rgba(255, 255, 255, 0.8);
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

/* ==========================================================================
   2. Base Styles & Reset
   ========================================================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, Tahoma, sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    direction: rtl;
    transition: background 0.3s, color 0.3s;
}

/* ==========================================================================
   3. Layout & Container Architecture
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.grid-layout {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 20px;
}

.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--glass-shadow);
    margin-bottom: 20px;
    position: relative;
}

.grid-layout .card {
    margin-bottom: 0;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   4. Login & Waiting Room Styles
   ========================================================================== */
.login-card, .waiting-card {
    max-width: 440px;
    margin: 40px auto;
    padding: 30px;
}

.waiting-card {
    text-align: center;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

    .form-group label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-muted);
    }

.admin-section {
    margin-top: 10px;
    padding: 16px;
    background: rgba(239, 68, 68, 0.06);
    border: 1px dashed rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

    .admin-section .admin-title {
        font-size: 12px;
        font-weight: bold;
        color: var(--danger);
        display: flex;
        align-items: center;
        gap: 6px;
    }

/* ==========================================================================
   5. Buttons & Inputs Controls
   ========================================================================== */
.btn {
    cursor: pointer;
    padding: 11px 18px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #ffffff;
    user-select: none;
    position: relative;
    z-index: 5;
}

    .btn:active {
        transform: translateY(1px);
    }

.btn-primary {
    background: var(--primary);
}

    .btn-primary:hover {
        background: var(--primary-hover);
    }

.btn-success {
    background: var(--success);
}

.btn-warning {
    background: var(--warning);
    color: #000000;
}

.btn-danger {
    background: var(--danger);
}

    .btn-danger:hover {
        background: var(--danger-hover);
    }

.btn-secondary {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-color);
}

.btn-block {
    width: 100%;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--card-border);
}

.role-status {
    margin-right: auto;
    font-size: 13px;
    font-weight: bold;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.15);
    padding: 6px 12px;
    border-radius: 8px;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    backdrop-filter: blur(4px);
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--primary);
}

/* ==========================================================================
   6. Sidebar & Users List
   ========================================================================== */
.user-list-container, .pending-list-container {
    max-height: 320px;
    overflow-y: auto;
    padding-left: 4px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.meeting-actions-panel {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--card-border);
    position: relative;
    z-index: 10;
}

.user-card, .pending-user-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--input-bg);
    border-radius: 10px;
    border-right: 4px solid var(--primary);
    font-size: 13px;
}

.pending-user-card {
    border-right-color: var(--warning);
}

.user-actions {
    display: flex;
    gap: 6px;
}

/* ==========================================================================
   7. Webcams & Screen Share Grid
   ========================================================================== */
.webcam-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.webcam-card {
    position: relative;
    background: #000000;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    aspect-ratio: 4/3;
}

    .webcam-card img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .webcam-card .user-label {
        position: absolute;
        bottom: 6px;
        right: 6px;
        background: rgba(0, 0, 0, 0.75);
        color: #ffffff;
        padding: 3px 8px;
        border-radius: 6px;
        font-size: 11px;
        backdrop-filter: blur(4px);
    }

#remoteScreenImg {
    width: 100%;
    max-height: 550px;
    object-fit: contain;
    background: #000000;
    border-radius: 12px;
    margin-top: 10px;
    border: 2px solid var(--primary);
}

/* ==========================================================================
   8. Chat Component
   ========================================================================== */
#chatBox {
    height: 240px;
    overflow-y: auto;
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px;
    background: var(--input-bg);
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-input-row {
    display: flex;
    gap: 8px;
}

.chat-msg {
    line-height: 1.4;
    font-size: 13px;
    word-break: break-word;
}

    .chat-msg .sender {
        color: var(--primary);
        font-weight: bold;
    }

    .chat-msg .time {
        color: var(--text-muted);
        font-size: 11px;
        margin-right: 6px;
    }

/* ==========================================================================
   9. Badges, Alerts & Notifications
   ========================================================================== */
.hand-badge {
    background: var(--warning);
    color: #000000;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: bold;
}

.badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
}

.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-color);
    border: 1px solid var(--primary);
    padding: 12px 24px;
    border-radius: 30px;
    box-shadow: var(--glass-shadow);
    z-index: 9999;
    font-weight: 500;
}

.alert-danger-box {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: #fca5a5;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 16px;
    font-weight: bold;
}

.key-badge-box {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    padding: 10px 15px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

/* ==========================================================================
   10. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 850px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}