/**
 * EMOTE AI - Reusable UI Components
 * Buttons, forms, panels, spinners, etc.
 */

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn--primary {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.btn--primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn--gradient {
    background: var(--gradient-primary);
    color: var(--color-brand-dark);
}

.btn--gradient:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.3);
}

.btn--success {
    background: rgba(0, 242, 96, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(0, 242, 96, 0.2);
}

.btn--success:hover:not(:disabled) {
    background: rgba(0, 242, 96, 0.2);
}

.btn--danger {
    background: rgba(255, 75, 75, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(255, 75, 75, 0.2);
}

.btn--danger:hover:not(:disabled) {
    background: rgba(255, 75, 75, 0.2);
}

.btn--block {
    width: 100%;
}

/* ========================================
   Form Elements
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-2xl);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.form-input {
    width: 100%;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    font-size: var(--font-size-md);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.input-wrapper {
    position: relative;
}

.input-wrapper .form-input {
    padding-right: 44px;
}

.input-icon {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    opacity: 0.5;
    pointer-events: none;
}

/* ========================================
   Glass Panel
   ======================================== */
.panel {
    background: var(--color-bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-glass);
    position: relative;
    overflow: hidden;
}

.panel--elevated {
    background: var(--color-bg-elevated);
    backdrop-filter: blur(20px);
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card__image {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.card__body {
    padding: var(--spacing-md);
}

/* ========================================
   Badges & Tags
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.badge--success {
    background: rgba(0, 242, 96, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(0, 242, 96, 0.2);
}

.badge__dot {
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.tag {
    display: inline-block;
    padding: 2px var(--spacing-sm);
    border-radius: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ========================================
   Loading States
   ======================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--color-accent);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner--small {
    width: 18px;
    height: 18px;
    border-width: 2px;
}

.spinner--white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
}

.loading-overlay--visible {
    display: flex;
}

/* ========================================
   Alerts & Messages
   ======================================== */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2xl);
    display: none;
}

.alert--visible {
    display: block;
}

.alert--error {
    background: rgba(255, 75, 75, 0.1);
    border: 1px solid rgba(255, 75, 75, 0.3);
    color: var(--color-danger);
}

.alert--success {
    background: rgba(0, 242, 96, 0.1);
    border: 1px solid rgba(0, 242, 96, 0.3);
    color: var(--color-success);
}

/* ========================================
   Brand
   ======================================== */
.brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-text-primary);
}

.brand__highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand__icon {
    height: 32px;
    width: auto;
}

.brand__logo {
    height: 36px;
    width: auto;
}

/* ========================================
   Emotion Bars
   ======================================== */
.emotion-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.emotion-bar__label {
    width: 60px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: capitalize;
}

.emotion-bar__track {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.emotion-bar__fill {
    height: 100%;
    border-radius: 3px;
    width: 0%;
    transition: width var(--transition-normal);
}

.emotion-bar__value {
    width: 35px;
    text-align: right;
    font-size: var(--font-size-xs);
    font-family: monospace;
    color: var(--color-text-secondary);
}

/* Emotion Colors (detailed mode - 7 emotions) */
.emotion-bar__fill--angry { background: var(--color-emotion-angry); }
.emotion-bar__fill--disgust { background: var(--color-emotion-disgust); }
.emotion-bar__fill--fear { background: var(--color-emotion-fear); }
.emotion-bar__fill--happy { background: var(--color-emotion-happy); }
.emotion-bar__fill--neutral { background: var(--color-emotion-neutral); }
.emotion-bar__fill--sad { background: var(--color-emotion-sad); }
.emotion-bar__fill--surprise { background: var(--color-emotion-surprise); }

/* Emote Category Colors (simplified mode - 3 categories) */
.emotion-bar__fill--positive { background: #00f260; }
.emotion-bar__fill--flow_state { background: #95a5a6; }
.emotion-bar__fill--stress { background: #ff4b4b; }

/* ========================================
   File Upload
   ======================================== */
.upload-zone {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-fast);
}

.upload-zone:hover {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.01);
}

.upload-zone__filename {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   Visual Container (Video/Image)
   ======================================== */
.visual-container {
    position: relative;
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-container video,
.visual-container img,
.visual-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.visual-container__overlay {
    position: absolute;
    top: var(--spacing-xl);
    left: var(--spacing-xl);
    z-index: 10;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: monospace;
    font-size: var(--font-size-sm);
    color: #ccc;
}

.visual-container__placeholder {
    color: var(--color-text-muted);
}