/* Professional Session UI - Modals, Dialogs, Spinners, and Toasts */

:root {
    --session-bg-blur: rgba(15, 23, 42, 0.4);
    --session-surface: rgba(255, 255, 255, 0.98);
    --session-border: rgba(226, 232, 240, 0.8);
    --session-text-primary: #0f172a;
    --session-text-secondary: #475569;
    --session-accent-primary: #00aeef; /* Cyan from BronxCare */
    --session-accent-dark: #005fa9; /* Blue from BronxCare */
    --session-accent-hover: #008bc0;
    --session-danger: #ef4444;
    --session-danger-hover: #dc2626;
    --session-success: #10b981;
    --session-radius: 16px;
    --session-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Modal Overlay Container */
.session-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--session-bg-blur);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.session-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Modal Window */
.session-modal-card {
    background: var(--session-surface);
    border: 1px solid var(--session-border);
    border-radius: var(--session-radius);
    box-shadow: var(--session-shadow);
    width: 90%;
    max-width: 440px;
    padding: 2.25rem 2rem;
    position: relative;
    overflow: hidden;
    transform: translateY(40px) scale(0.95);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.session-modal-overlay.active .session-modal-card {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Accent Highlight Line */
.session-modal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--session-accent-primary), var(--session-accent-dark));
}

.session-modal-card.session-danger-card::before {
    background: var(--session-danger);
}

/* Modal Headers & Icons */
.session-modal-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 1.5rem;
}

.session-modal-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 174, 239, 0.1);
    color: var(--session-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    animation: pulseSlow 2s infinite;
}

.session-modal-card.session-danger-card .session-modal-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--session-danger);
}

.session-modal-icon svg {
    width: 28px;
    height: 28px;
}

.session-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--session-text-primary);
    letter-spacing: -0.01em;
}

/* Modal Content */
.session-modal-body {
    text-align: center;
    font-size: 0.95rem;
    color: var(--session-text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Expiry Countdown Counter */
.session-countdown-wrapper {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.session-countdown-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid rgba(0, 174, 239, 0.15);
    border-top-color: var(--session-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--session-accent-dark);
}

.session-countdown-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--session-danger);
    font-variant-numeric: tabular-nums;
}

/* Modal Footer Buttons */
.session-modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: stretch;
}

.session-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    text-decoration: none;
}

.session-btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.session-btn-secondary:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.session-btn-primary {
    background: linear-gradient(135deg, var(--session-accent-primary), var(--session-accent-dark));
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 174, 239, 0.2);
}

.session-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 174, 239, 0.3);
}

.session-btn-danger {
    background: var(--session-danger);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.session-btn-danger:hover {
    background: var(--session-danger-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.3);
}

/* Spinner Style */
.session-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: session-spin 0.8s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

.session-spinner-primary {
    border-color: rgba(0, 174, 239, 0.2);
    border-top-color: var(--session-accent-primary);
}

/* Global Toast Notifications */
.session-toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 100000;
}

.session-toast {
    min-width: 320px;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-left: 4px solid var(--session-success);
    box-shadow: var(--session-shadow);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.session-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.session-toast-error {
    border-left-color: var(--session-danger);
}

.session-toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.session-toast-success .session-toast-icon { color: var(--session-success); }
.session-toast-error .session-toast-icon { color: var(--session-danger); }

.session-toast-message {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--session-text-primary);
    line-height: 1.4;
}

/* Keyframe Animations */
@keyframes session-spin {
    to { transform: rotate(360deg); }
}

@keyframes pulseSlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

/* Unified Logout Button Style */
.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.45rem 0.875rem;
    background: rgba(239, 68, 68, 0.08);
    color: var(--session-danger, #ef4444);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--session-radius, 12px);
    text-decoration: none !important;
    font-size: 0.825rem;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-logout:hover {
    background: var(--session-danger, #ef4444);
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.btn-logout svg {
    width: 14px;
    height: 14px;
    color: inherit;
    stroke: currentColor;
    fill: none;
}

/* Premium Sidebar Overrides (Modern Slate Dark Theme) */
.sidebar {
    background: #0f172a !important; /* Slate 900 */
    border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15) !important;
}

.sidebar-header {
    background: #0f172a !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}

.sidebar-header .brand-logo-img {
    filter: brightness(0) invert(1) !important; /* Forces dark logo to render cleanly as white */
}

.sidebar-menu {
    padding: 1.5rem 0.75rem !important;
    gap: 0.35rem !important;
}

.menu-item {
    color: #94a3b8 !important; /* Slate 400 */
    font-weight: 500 !important;
    border-radius: 12px !important;
    padding: 0.8rem 1rem !important;
    margin: 0.1rem 0 !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
    transform: translateX(2px);
}

.menu-item.active {
    background: linear-gradient(135deg, rgba(0, 174, 239, 0.12), rgba(0, 95, 169, 0.12)) !important;
    color: #00aeef !important;
    font-weight: 600 !important;
}

.menu-item.active::before {
    background-color: #00aeef !important;
    width: 4px !important;
    height: 60% !important;
    top: 20% !important;
    border-radius: 0 4px 4px 0 !important;
}

.menu-item svg {
    color: inherit !important;
    stroke: currentColor !important;
    transition: transform 0.3s ease !important;
}

.menu-item:hover svg {
    transform: scale(1.1);
}

/* Premium Topbar Overrides (Glassmorphic) */
.topbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
    box-shadow: 0 4px 30px rgba(15, 23, 42, 0.02) !important;
}

.topbar-title {
    font-weight: 700 !important;
    color: #0f172a !important;
    letter-spacing: -0.02em !important;
}

.avatar {
    background: linear-gradient(135deg, #00aeef, #005fa9) !important;
    box-shadow: 0 4px 12px rgba(0, 174, 239, 0.25) !important;
    font-weight: 700 !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.profile-name {
    color: #0f172a !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
}

.profile-role {
    color: #64748b !important; /* Slate 500 */
    font-size: 0.725rem !important;
}