:root {
    --primary-color: #3B82C4;
    --secondary-color: #2D6BA8;
    --text-color: #2D3748;
    --text-muted: #64748B;
    --border-color: #D8E2EC;
    --bg-light: #F0F5FA;
    --bg-white: #ffffff;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
}

* { box-sizing: border-box; }

html { direction: rtl; }

body {
    font-family: 'Vazir', 'Tahoma', 'Arial', sans-serif;
    background: linear-gradient(to bottom, #F0F5FA, #ffffff);
    min-height: 100vh;
    padding: 30px 0 0 0;
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    direction: rtl;
    text-align: right;
}

.container { max-width: 1200px; }

.card {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-white);
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    margin-bottom: 0;
    transition: box-shadow 0.2s ease;
    overflow: hidden;
}

.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.12); }

.card-header {
    background: linear-gradient(to bottom, #fafafa, #ffffff);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 10px 10px 0 0;
    padding: 18px 25px;
    margin: 0;
}

.card-header h3 {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.4rem;
    margin: 0;
    letter-spacing: -0.3px;
}

.card-body { padding: 25px; }

#text-content {
    font-family: 'Vazir', 'Tahoma', Arial, sans-serif;
    direction: rtl;
    text-align: right;
    color: var(--text-color);
    line-height: 1.9;
    font-size: 1.05rem;
    font-weight: 400;
}

#text-content .word-item {
    transition: all 0.3s ease;
    padding: 2px 4px;
    border-radius: 3px;
    display: inline-block;
}

#text-content .word-item.word-correct {
    background-color: #d4edda;
    color: #155724;
    font-weight: bold;
}

#text-content .word-item.word-current {
    background-color: #fff3cd;
    color: #856404;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.text-display-box {
    min-height: 150px;
    padding: 25px;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
}

.video-container {
    position: relative;
    min-height: 280px;
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    border: 1px solid #e0e0e0;
}

#user-video, #user-video-recording {
    transform: scaleX(-1);
    object-fit: cover;
    border: none;
    width: 100%;
    background: #000;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    max-height: 380px;
}

.video-placeholder {
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-placeholder i { font-size: 2.2rem; color: #999; }

.recording-status-text { font-size: 0.95rem; color: var(--text-color); margin: 0; }
.recording-status-text i { color: var(--primary-color); margin-left: 5px; }
.recording-status-text .timer { font-weight: 600; color: var(--primary-color); }

.btn {
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid transparent;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    font-size: 0.9rem;
    direction: rtl;
    text-align: center;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(0,0,0,0.12); }
.btn:active { transform: translateY(0); box-shadow: 0 1px 2px rgba(0,0,0,0.1); }

.btn-primary { background-color: var(--primary-color); border-color: var(--primary-color); color: #fff; }
.btn-primary:hover { background-color: var(--secondary-color); border-color: var(--secondary-color); color: #fff; }

.btn-outline-primary { border-color: var(--primary-color); color: var(--primary-color); background: transparent; }
.btn-outline-primary:hover { background-color: var(--primary-color); border-color: var(--primary-color); color: #fff; }

.btn-outline-secondary { border-color: #d0d0d0; color: var(--text-muted); background: transparent; }
.btn-outline-secondary:hover { background-color: #f8f9fa; border-color: #b0b0b0; color: var(--text-color); }
.btn-outline-secondary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; background-color: #f5f5f5; }

.btn-outline-danger { border-color: var(--error-color); color: var(--error-color); background: transparent; }
.btn-outline-danger:hover { background-color: var(--error-color); border-color: var(--error-color); color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 0.85rem; border-radius: 4px; }
.btn-lg { padding: 10px 20px; font-size: 1rem; border-radius: 8px; }

.alert {
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    background: #fafafa;
    padding: 14px 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

h5, h6 { color: var(--text-color); font-weight: 500; }
h5 { font-size: 1.15rem; margin-bottom: 1rem; }
h6 { font-size: 0.95rem; margin-bottom: 0.75rem; }

.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }

input[type="text"], textarea, .form-control, input[type="email"],
input[type="password"], input[type="number"], select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    transition: all 0.3s ease;
    direction: rtl;
    text-align: right;
}

input[type="text"]:focus, textarea:focus, .form-control:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(59,130,196,0.15);
}

@media (max-width: 768px) {
    body { padding: 20px 0; }
    .card-body { padding: 20px; }
    .card-header { padding: 15px 20px; }
    .video-container { margin-top: 20px; }
}

.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    margin-bottom: 25px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.navbar-brand { font-weight: 600; color: var(--primary-color); font-size: 1.1rem; letter-spacing: -0.3px; }
.navbar-brand:hover { color: var(--secondary-color); text-decoration: none; }

.navbar-toggler {
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
}
.navbar-toggler:focus { outline: none; box-shadow: none; }
.navbar-toggler-icon {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-color);
    position: relative;
}
.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
}
.navbar-toggler-icon::before { top: -7px; }
.navbar-toggler-icon::after { top: 7px; }

.navbar-nav { display: flex; flex-direction: row; flex-wrap: wrap; gap: 4px; align-items: center; }

.nav-link { color: var(--text-color); padding: 6px 10px; transition: all 0.2s ease; border-radius: 4px; font-size: 0.88rem; }
.nav-link:hover { color: var(--primary-color); background-color: #EBF2FA; }

@media (max-width: 991px) {
    .navbar-collapse { border-top: 1px solid var(--border-color); margin-top: 10px; padding-top: 10px; }
    .navbar-nav { flex-direction: column; gap: 2px; width: 100%; }
    .nav-link { padding: 10px 14px; border-radius: 6px; font-size: 0.95rem; display: block; width: 100%; }
    .nav-link:hover { background-color: #EBF2FA; }
}

footer {
    margin-top: auto;
    padding: 20px 0;
    background-color: #EBF2FA;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

footer .footer-content { text-align: center; }
footer .footer-content p { margin: 4px 0; color: var(--text-muted); }
footer .footer-title { font-weight: 600; color: var(--text-color); margin-bottom: 8px; font-size: 0.95rem; }
footer .footer-links { margin-top: 8px; }
footer .footer-links a { color: var(--text-muted); text-decoration: none; margin: 0 10px; transition: color 0.2s ease; }
footer .footer-links a:hover { color: var(--primary-color); }

.main-content { flex: 1; padding-bottom: 20px; }

/* Status badges */
.badge-pending { background-color: #5F8FAD; color: #fff; }
.badge-inprogress { background-color: var(--primary-color); color: #fff; }
.badge-completed { background-color: var(--success-color); color: #fff; }
.badge-ended { background-color: var(--text-muted); color: #fff; }
.badge-type { background-color: var(--bg-light); color: var(--text-color); border: 1px solid #8BAEC8; font-weight: 500; }

/* Status card left border */
.card-status-pending { border-left: 4px solid #8BAEC8; }
.card-status-inprogress { border-left: 4px solid var(--primary-color); }
.card-status-completed { border-left: 4px solid var(--success-color); }
.card-status-ended { border-left: 4px solid var(--text-muted); }

/* Bootstrap color overrides — theme consistency */
.text-primary { color: var(--primary-color) !important; }
.text-danger  { color: var(--error-color) !important; }

.btn-success { background-color: var(--success-color); border-color: var(--success-color); color: #fff; }
.btn-success:hover { background-color: #43a047; border-color: #43a047; color: #fff; }
.btn-success:disabled { background-color: var(--success-color); border-color: var(--success-color); opacity: 0.6; }

.btn-danger { background-color: var(--error-color); border-color: var(--error-color); color: #fff; }
.btn-danger:hover { background-color: #d32f2f; border-color: #d32f2f; color: #fff; }

.btn-secondary { background-color: #8BAEC8; border-color: #8BAEC8; color: #fff; }
.btn-secondary:hover { background-color: #5F8FAD; border-color: #5F8FAD; color: #fff; }
.btn-secondary:disabled { background-color: #8BAEC8; border-color: #8BAEC8; opacity: 0.5; cursor: not-allowed; transform: none; }

.badge.bg-secondary, .bg-secondary { background-color: #8BAEC8 !important; color: #fff !important; }
.badge.bg-success  { background-color: var(--success-color) !important; color: #fff !important; }
.badge.bg-danger   { background-color: var(--error-color) !important; color: #fff !important; }
.badge.bg-info     { background-color: var(--primary-color) !important; color: #fff !important; }
.badge.bg-warning  { background-color: #5F8FAD !important; color: #fff !important; }
.badge.bg-primary  { background-color: var(--primary-color) !important; color: #fff !important; }

/* Alert overrides */
.alert-info      { background-color: #E8F4FD; border-color: #B8D9F0; color: var(--secondary-color); }
.alert-secondary { background-color: var(--bg-light); border-color: var(--border-color); color: var(--text-muted); }
.alert-warning   { background-color: #FFF8E1; border-color: #FFE082; color: #6D4C00; }
.alert-success   { background-color: #E8F5E9; border-color: #C8E6C9; color: #2E7D32; }
.alert-danger    { background-color: #FFEBEE; border-color: #FFCDD2; color: #B71C1C; }

/* nav-pills theme */
.nav-pills .nav-link { color: var(--text-color); }
.nav-pills .nav-link:hover { background-color: var(--bg-light); color: var(--primary-color); }
.nav-pills .nav-link.active { background-color: var(--primary-color) !important; color: #fff !important; }

.pagination .page-link { color: var(--primary-color) !important; border-color: var(--border-color) !important; background-color: var(--bg-white) !important; }
.pagination .page-link:hover { color: #fff !important; background-color: var(--primary-color) !important; border-color: var(--primary-color) !important; }
.pagination .page-item.active .page-link { background-color: var(--primary-color) !important; border-color: var(--primary-color) !important; color: #fff !important; }
.pagination .page-item.disabled .page-link { color: var(--text-muted) !important; background-color: var(--bg-light) !important; border-color: var(--border-color) !important; opacity: 0.6 !important; }
.pagination { direction: rtl; }

.table { direction: rtl; text-align: right; }
.table th, .table td { text-align: right; }

.modal-content, .modal-header, .modal-body, .modal-footer { direction: rtl; text-align: right; }
.form-label, .card-header, .card-body { direction: rtl; text-align: right; }
.justify-content-between, .justify-content-end, .justify-content-start { direction: rtl; }

.nav-tabs { direction: rtl; }
.nav-tabs .nav-link { direction: rtl; text-align: right; }

.accordion, .accordion-button { direction: rtl; text-align: right; }
.badge, .alert { direction: rtl; }
.dropdown-menu, .list-group, .list-group-item { direction: rtl; text-align: right; }
.btn-group, .input-group { direction: rtl; }
.input-group-text { direction: rtl; text-align: center; }
.form-check { direction: rtl; }
.form-check-label { direction: rtl; text-align: right; }
.form-check-input { margin-left: 0.5em; margin-right: 0; }

.me-3 { margin-left: 1rem !important; margin-right: 0 !important; }
.ms-3 { margin-right: 1rem !important; margin-left: 0 !important; }
.me-2 { margin-left: 0.5rem !important; margin-right: 0 !important; }
.ms-2 { margin-right: 0.5rem !important; margin-left: 0 !important; }
.pe-3 { padding-left: 1rem !important; padding-right: 0 !important; }
.ps-3 { padding-right: 1rem !important; padding-left: 0 !important; }