/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
    outline: none;
    user-select: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px 0 rgba(79, 70, 229, 0.4);
}

.btn-primary:active {
    transform: translateY(1px) scale(0.97);
    transition-duration: 0.1s;
}

.btn-secondary {
    background-color: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background-color: var(--bg-main);
    border-color: var(--primary-light);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:active {
    transform: translateY(1px) scale(0.97);
    transition-duration: 0.1s;
}

.btn-danger {
    background-color: rgba(244, 63, 94, 0.08);
    color: var(--accent);
    border-color: rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px 0 rgba(244, 63, 94, 0.2);
}

.btn-danger:active {
    transform: translateY(1px) scale(0.97);
    transition-duration: 0.1s;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    letter-spacing: -0.01em;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-input);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
    background-color: var(--bg-input);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2364748b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%0-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem top 50%;
    background-size: 0.65rem auto;
    padding-right: 2.5rem;
}

/* Cards */
.card {
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--glass-border);
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    box-shadow: var(--glass-shadow);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 40px 0 rgba(31, 38, 135, 0.08),
        0 1px 3px 0 rgba(0, 0, 0, 0.02),
        inset 0 1px 1px 0 rgba(255, 255, 255, 0.95);
    border-color: rgba(79, 70, 229, 0.25);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.02em;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    backdrop-filter: blur(8px);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    background: transparent;
}

th, td {
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(15, 23, 42, 0.02);
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

[data-theme="dark"] th {
    background: rgba(255, 255, 255, 0.02);
}

td {
    font-size: 0.9rem;
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr {
    transition: background-color 0.2s ease;
}

tr:hover td {
    background-color: rgba(79, 70, 229, 0.04);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
    transition: all 0.2s ease;
    letter-spacing: 0.02em;
}

.badge-success { background-color: rgba(16, 185, 129, 0.08); color: #10B981; border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background-color: rgba(245, 158, 11, 0.08); color: #F59E0B; border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-info { background-color: rgba(59, 130, 246, 0.08); color: #3B82F6; border: 1px solid rgba(59, 130, 246, 0.2); }
.badge-danger { background-color: rgba(244, 63, 94, 0.08); color: #F43F5E; border: 1px solid rgba(244, 63, 94, 0.2); }

[data-theme="dark"] .badge-success { background-color: rgba(16, 185, 129, 0.15); color: #34D399; }
[data-theme="dark"] .badge-warning { background-color: rgba(245, 158, 11, 0.15); color: #FBBF24; }
[data-theme="dark"] .badge-info { background-color: rgba(59, 130, 246, 0.15); color: #60A5FA; }
[data-theme="dark"] .badge-danger { background-color: rgba(244, 63, 94, 0.15); color: #F87171; }

/* Theme Icon Transition */
#theme-icon {
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#theme-icon:active {
    transform: rotate(360deg);
}

/* Toast */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    left: auto;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (max-width: 640px) {
    #toast-container {
        right: 1.25rem;
        left: 1.25rem;
        bottom: 1.25rem;
    }
}

.toast {
    background-color: var(--bg-card);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    color: var(--text-primary);
    padding: 1.15rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
    border-left: 4px solid var(--primary);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-width: 320px;
    max-width: 100%;
    animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@media (max-width: 640px) {
    .toast {
        min-width: 0;
        width: 100%;
    }
}

@keyframes slideInRight {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Responsive Card Header & Button Overrides */
@media (max-width: 640px) {
    .card-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 0.75rem !important;
    }
    .card-header .btn, .card-header button {
        width: 100% !important;
    }
}

/* Card Header Action Buttons Group */
.card-header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}
@media (max-width: 640px) {
    .card-header-actions {
        width: 100% !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
    .card-header-actions .btn {
        width: 100% !important;
    }
}

/* Responsive Touch-friendly Tab Container */
.tab-container-scroll {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-main);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
}
.tab-container-scroll::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}
.tab-container-scroll .btn, .tab-container-scroll .sa-tab {
    flex-shrink: 0 !important;
}

/* Responsive Ticket Reply Bar */
.ticket-reply-container {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}
@media (max-width: 640px) {
    .ticket-reply-container {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
    .ticket-reply-container .btn {
        width: 100% !important;
    }
}

/* Responsive Info Alert Card */
.info-alert-card {
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid var(--warning);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
}
@media (max-width: 640px) {
    .info-alert-card {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        padding: 1.25rem !important;
        gap: 1rem !important;
    }
}