/* Modern Session Expiration Modal Styles */
#sessionExpirationModal .modern-session-modal {
    border: none;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* Header Section */
.session-modal-header {
    background: linear-gradient(135deg, #71dd37 0%, #5cb85c 100%);
    padding: 2.5rem 2rem 2rem;
    text-align: center;
    position: relative;
    color: white;
}

.session-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.15"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.session-icon-container {
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
}

.session-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.session-icon i {
    font-size: 36px;
    color: white;
    animation: pulse-icon 2s infinite ease-in-out;
}

@keyframes pulse-icon {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.session-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    position: relative;
    z-index: 1;
}

.session-subtitle {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Content Section */
.session-modal-content {
    padding: 2rem;
    text-align: center;
}

.session-message {
    font-size: 1rem;
    color: #6c757d;
    margin-bottom: 1rem;
    font-weight: 500;
}

.token-info {
    font-size: 0.9rem;
    color: #495057;
    margin-bottom: 2rem;
    padding: 0.75rem 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #71dd37;
}

/* Circular Countdown */
.countdown-circle-container {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.countdown-circle {
    position: relative;
    width: 120px;
    height: 120px;
}

.countdown-progress {
    position: relative;
    width: 100%;
    height: 100%;
}

.countdown-svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.countdown-bg {
    fill: none;
    stroke: #e9ecef;
    stroke-width: 8;
}

.countdown-progress-bar {
    fill: none;
    stroke: #71dd37;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-in-out, stroke 0.3s ease;
    filter: drop-shadow(0 0 6px rgba(113, 221, 55, 0.3));
}

.countdown-progress-bar.countdown-warning {
    stroke: #ffb400;
    filter: drop-shadow(0 0 6px rgba(255, 180, 0, 0.3));
}

.countdown-progress-bar.countdown-danger {
    stroke: #ff4757;
    filter: drop-shadow(0 0 6px rgba(255, 71, 87, 0.3));
}

.countdown-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.countdown-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #71dd37;
    line-height: 1;
    transition: color 0.3s ease;
}

.countdown-number.countdown-warning-text {
    color: #ffb400;
}

.countdown-number.countdown-danger-text {
    color: #ff4757;
    animation: countdown-pulse 0.5s infinite;
}

@keyframes countdown-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.countdown-label {
    display: block;
    font-size: 0.75rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 0.25rem;
}

.session-warning {
    font-size: 0.9rem;
    color: #6c757d;
    margin: 2rem 0 0 0;
    font-style: italic;
}

/* Actions Section */
.session-modal-actions {
    padding: 1.5rem 2rem 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.session-btn-primary,
.session-btn-secondary {
    min-width: 180px;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.session-btn-primary {
    background: linear-gradient(135deg, #71dd37 0%, #5cb85c 100%);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(113, 221, 55, 0.3);
}

.session-btn-primary:hover {
    background: linear-gradient(135deg, #5cb85c 0%, #71dd37 100%);
    box-shadow: 0 6px 20px rgba(113, 221, 55, 0.4);
    transform: translateY(-2px);
}

.session-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(113, 221, 55, 0.3);
}

.session-btn-secondary {
    background: transparent;
    border: 2px solid #dee2e6;
    color: #6c757d;
}

.session-btn-secondary:hover {
    background: #f8f9fa;
    border-color: #adb5bd;
    color: #495057;
    transform: translateY(-1px);
}

.session-btn-primary:disabled,
.session-btn-secondary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Responsive Design */
@media (max-width: 576px) {
    #sessionExpirationModal .modal-dialog {
        margin: 1rem;
    }
    
    .session-modal-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .session-modal-content {
        padding: 1.5rem;
    }
    
    .session-modal-actions {
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
    }
    
    .session-btn-primary,
    .session-btn-secondary {
        min-width: 100%;
    }
    
    .session-title {
        font-size: 1.5rem;
    }
    
    .countdown-circle {
        width: 100px;
        height: 100px;
    }
    
    .countdown-number {
        font-size: 1.75rem;
    }
}

/* Animation for modal entrance */
#sessionExpirationModal.fade .modal-dialog {
    transform: scale(0.8) translateY(-50px);
    transition: all 0.3s ease;
}

#sessionExpirationModal.show .modal-dialog {
    transform: scale(1) translateY(0);
}

/* Loading overlay for redirect */
.session-redirect-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.session-redirect-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
    color: #71dd37;
}

.session-redirect-overlay p {
    margin-top: 1rem;
    color: #6c757d;
    font-weight: 500;
}