/*
 * Flux PR Lab - UI Components
 * Buttons, Cards, Badges, Forms, and more
 */

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent-cyan);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary Button - Cyan gradient */
.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-text-inverse);
    border-color: transparent;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button - Outline */
.btn-secondary {
    background: transparent;
    color: var(--color-accent-cyan);
    border-color: var(--color-accent-cyan);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-glow-cyan);
}

/* Gold Button */
.btn-gold {
    background: var(--gradient-gold);
    color: var(--color-text-inverse);
    border-color: transparent;
}

.btn-gold:hover:not(:disabled) {
    box-shadow: var(--shadow-glow-gold);
    transform: translateY(-2px);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-ghost:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border-hover);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

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

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

/* WhatsApp Button */
.btn-whatsapp {
    background: #25D366;
    color: white;
    border-color: transparent;
}

.btn-whatsapp:hover:not(:disabled) {
    background: #1ebe57;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-2px);
}

/* ===== CARDS ===== */
.card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

.card-header {
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.card-description {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.card-content {
    flex: 1;
}

.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* Card with Icon */
.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    color: var(--color-accent-cyan);
}

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

/* Service Card */
.service-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card .card-icon {
    transition: all var(--transition-base);
}

.service-card:hover .card-icon {
    background: rgba(0, 212, 255, 0.2);
    transform: scale(1.05);
}

/* Case Study Card */
.case-card {
    overflow: hidden;
}

.case-card-image {
    height: 200px;
    background: var(--color-bg-tertiary);
    margin: calc(var(--space-6) * -1);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

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

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

.case-card-meta {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.case-card-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent-cyan);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

/* Testimonial Card */
.testimonial-card {
    position: relative;
    padding: var(--space-8);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    font-size: 4rem;
    font-family: Georgia, serif;
    color: var(--color-accent-cyan);
    opacity: 0.3;
    line-height: 1;
}

@media (max-width: 640px) {
    .testimonial-card::before {
        font-size: 3rem;
        top: var(--space-2);
        left: var(--space-2);
    }
}

.testimonial-text {
    font-size: var(--text-lg);
    font-style: italic;
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.testimonial-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-full);
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.badge-gold {
    background: rgba(255, 193, 7, 0.1);
    color: var(--color-accent-gold);
    border-color: rgba(255, 193, 7, 0.2);
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border-color: rgba(34, 197, 94, 0.2);
}

.badge-lg {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-border-hover);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    padding-right: var(--space-10);
}

.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-checkbox {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-accent-cyan);
    cursor: pointer;
}

.form-checkbox-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.form-error {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-error);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-error);
}

.form-hint {
    margin-top: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ===== TOAST / ALERTS ===== */
.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-toast);
    animation: slideIn 0.3s ease;
}

.toast-success {
    border-color: rgba(34, 197, 94, 0.3);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), var(--color-bg-elevated));
}

.toast-error {
    border-color: rgba(239, 68, 68, 0.3);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), var(--color-bg-elevated));
}

.toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

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

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

.toast-message {
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

.toast-close {
    margin-left: var(--space-4);
    padding: var(--space-1);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

@media (max-width: 640px) {
    .toast {
        left: var(--space-4);
        right: var(--space-4);
        bottom: var(--space-20);
        /* Leave room for sticky bottom bar */
        justify-content: center;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(100%);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== ACCORDION / FAQ ===== */
.accordion {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: left;
    color: var(--color-text-primary);
    background: var(--color-bg-secondary);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.accordion-trigger:hover {
    background: var(--color-bg-tertiary);
}

.accordion-trigger[aria-expanded="true"] {
    background: var(--color-bg-tertiary);
}

.accordion-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-accent-cyan);
    transition: transform var(--transition-base);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: var(--space-5) var(--space-6);
    background: var(--color-bg-secondary);
}

.accordion-content[aria-hidden="false"] {
    display: block;
}

.accordion-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-1);
    margin-bottom: var(--space-6);
}

.tab-button {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-button:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-button.active {
    color: var(--color-accent-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ===== MODAL ===== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: calc(100% - var(--space-8));
    max-width: 600px;
    max-height: calc(100vh - var(--space-16));
    overflow-y: auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: 700;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.1);
}

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

.modal-footer {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    padding: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* ===== PROGRESS BAR ===== */
.progress {
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ===== DIVIDER ===== */
.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-8) 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: var(--color-border);
}

/* ===== LINK STYLES ===== */
.link {
    color: var(--color-accent-cyan);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link:hover {
    color: var(--color-accent-gold);
    text-decoration: underline;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 500;
}

.link-arrow svg {
    transition: transform var(--transition-fast);
}

.link-arrow:hover svg {
    transform: translateX(4px);
}