@import url('variables.css');

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 14px 32px;
    border-radius: var(--radius-lg);
    font-weight: var(--font-semibold);
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    text-align: center;
    z-index: 1;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-101%);
    transition: transform var(--transition-base);
    z-index: -1;
}

.btn:hover::after {
    transform: translateX(0);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-secondary:hover {
    background-color: var(--accent);
    color: var(--primary);
    box-shadow: var(--shadow-accent);
}

.btn-dark {
    background-color: var(--primary);
    color: #ffffff;
    border: 1px solid var(--primary-light);
}

.btn-dark:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost {
    background-color: transparent;
    color: var(--n600);
}

.btn-ghost:hover {
    background-color: var(--n100);
    color: var(--primary);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
    border-radius: var(--radius-md);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* Premium Cards */
.card {
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--n200);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.card-glass {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.card-dark {
    background-color: var(--n800);
    border-color: var(--n700);
    color: #ffffff;
}

.card-dark h1, .card-dark h2, .card-dark h3, .card-dark h4 {
    color: #ffffff;
}

.card-dark p {
    color: var(--n400);
}

.card-elevated {
    box-shadow: var(--shadow-md);
}

.card-elevated:hover {
    box-shadow: var(--shadow-xl);
}

.card-image {
    padding: 0;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-image:hover img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--space-6);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-medium);
    font-size: 0.875rem;
    margin-bottom: var(--space-2);
    color: var(--n700);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--n200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background-color: #ffffff;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(44, 184, 255, 0.15);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
    background-size: 16px;
    padding-right: 48px;
}

.form-error {
    color: var(--error);
    font-size: 0.8rem;
    margin-top: var(--space-1);
}

.form-success {
    color: var(--success);
    font-size: 0.8rem;
    margin-top: var(--space-1);
}

/* Badges & Tags */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-semibold);
}

.badge-primary { background-color: rgba(7, 27, 56, 0.08); color: var(--primary); }
.badge-accent { background-color: rgba(44, 184, 255, 0.15); color: var(--accent-dark); }
.badge-success { background-color: rgba(22, 163, 74, 0.1); color: var(--success); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-error { background-color: rgba(255, 68, 68, 0.1); color: var(--error); }

.tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-md);
    background-color: var(--n100);
    color: var(--n700);
    font-size: 0.8rem;
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag:hover {
    background-color: var(--accent);
    color: var(--primary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

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

.modal {
    background: #ffffff;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    max-width: 600px;
    width: 90%;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.95);
    transition: transform var(--transition-base);
    position: relative;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--n400);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--primary);
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: #ffffff;
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-toast);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transform: translateX(120%);
    transition: transform var(--transition-base);
    border-left: 4px solid var(--accent);
}

.toast.show {
    transform: translateX(0);
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--error); }
.toast-info { border-left-color: var(--accent); }

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--n200);
    min-width: 200px;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.dropdown-item {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--n700);
    font-weight: var(--font-medium);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--n50);
    color: var(--accent-dark);
}

/* Section Label & Titles */
.section-label {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    color: var(--accent-dark);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--n500);
    max-width: 600px;
    line-height: var(--leading-relaxed);
}

.section-header {
    margin-bottom: var(--space-12);
}

.section-header.text-center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* Divider */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--n200) 50%, transparent 100%);
}

.divider-accent {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
}

/* Avatar */
.avatar {
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid #ffffff;
    box-shadow: var(--shadow-sm);
}

.avatar-sm { width: 40px; height: 40px; }
.avatar-md { width: 56px; height: 56px; }
.avatar-lg { width: 80px; height: 80px; }

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--n200);
    border-top-color: var(--accent);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, var(--n200) 25%, var(--n100) 50%, var(--n200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
    width: 100%;
}