/* Smooth scrolling and base transitions */
html {
    scroll-behavior: smooth;
}

body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Responsive typography */
h1, .h1 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); }
h2, .h2 { font-size: clamp(1.4rem, 2vw, 1.8rem); }
h3, .h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
h4, .h4 { font-size: clamp(1rem, 1.3vw, 1.15rem); }
h5, .h5 { font-size: clamp(0.95rem, 1.1vw, 1rem); }
h6, .h6 { font-size: clamp(0.85rem, 1vw, 0.9rem); }

.card-title {
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    font-weight: 600;
}

/* Card hover lift and fade-in */
.card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: fadeInUp 0.4s ease both;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

body.dark-theme .card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

/* Stagger card animations */
.card:nth-child(1) { animation-delay: 0.02s; }
.card:nth-child(2) { animation-delay: 0.04s; }
.card:nth-child(3) { animation-delay: 0.06s; }
.card:nth-child(4) { animation-delay: 0.08s; }
.card:nth-child(5) { animation-delay: 0.10s; }
.card:nth-child(6) { animation-delay: 0.12s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Table row hover */
.table tbody tr {
    transition: background-color 0.2s ease;
}

/* Button transitions */
.btn {
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.btn:active {
    transform: translateY(0);
}

/* Link hover underline animation */
a:not(.btn):not(.nav-link):not(.brand-link):not(.dropdown-item) {
    transition: color 0.2s ease;
}

/* Badge hover */
.badge {
    transition: transform 0.15s ease;
}

.badge:hover {
    transform: scale(1.05);
}

/* Sidebar link hover */
.app-sidebar .nav-link {
    transition: background-color 0.2s ease, color 0.2s ease;
    border-radius: 0.375rem;
}

.app-sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

/* Form focus animations */
.form-control, .form-select {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Avatar hover */
.avatar, .rounded-circle.object-fit-cover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.avatar:hover, .rounded-circle.object-fit-cover:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

/* Page content fade-in */
.app-content {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Empty state */
.empty-state {
    background: transparent;
}

.empty-state i {
    line-height: 1;
}

/* Clickable dashboard metric cards */
.metric-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.metric-card:hover {
    color: inherit;
}

.metric-card .card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.metric-card:hover .card {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

/* Semantic status badges */
.status-backlog { background-color: var(--bs-secondary) !important; }
.status-todo { background-color: var(--bs-info) !important; }
.status-in_progress { background-color: var(--bs-primary) !important; }
.status-review { background-color: var(--bs-warning) !important; }
.status-completed { background-color: var(--bs-success) !important; }
.status-cancelled { background-color: var(--bs-dark) !important; }

.status-new { background-color: var(--bs-info) !important; }
.status-contacted { background-color: var(--bs-primary) !important; }
.status-demo_scheduled { background-color: var(--bs-warning) !important; }
.status-proposal_shared { background-color: var(--bs-primary) !important; }
.status-negotiation { background-color: var(--bs-warning) !important; }
.status-closed_won { background-color: var(--bs-success) !important; }
.status-closed_lost { background-color: var(--bs-danger) !important; }
.status-on_hold { background-color: var(--bs-secondary) !important; }

.status-active { background-color: var(--bs-success) !important; }
.status-on_leave { background-color: var(--bs-warning) !important; }
.status-terminated { background-color: var(--bs-secondary) !important; }
.status-suspended { background-color: var(--bs-danger) !important; }
.status-resigned { background-color: var(--bs-secondary) !important; }
.status-contract { background-color: var(--bs-info) !important; }
.status-intern { background-color: var(--bs-info) !important; }