/* ============================================
   COMPONENTS - Reusable UI Elements
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    font-family: var(--font-sans);
    line-height: var(--leading-tight);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

/* Primary Button */
.btn--primary {
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
}

.btn--primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--color-primary-glow);
    filter: brightness(1.1);
}

.btn--primary:hover:not(:disabled) svg {
    transform: translateX(4px);
}

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

/* Secondary Button */
.btn--secondary {
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover:not(:disabled) {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

/* Get Button (for app cards) */
.btn--get {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-bg-primary);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-500));
    border-radius: var(--radius-full);
}

.btn--get:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--color-primary-glow);
    filter: brightness(1.1);
}

/* ============================================
   APP CARDS
   ============================================ */
.app-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: default;
    animation: cardSlideIn 0.5s var(--ease-bounce) backwards;
}

.app-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.app-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.app-card__icon svg,
.app-card__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-icon-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.app-card__info {
    flex: 1;
    min-width: 0;
}

.app-card__name {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
    color: var(--color-text-primary);
}

.app-card__category {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--space-2);
}

.app-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.app-card__action {
    flex-shrink: 0;
}

/* ============================================
   STARS RATING
   ============================================ */
.stars {
    display: flex;
    gap: 2px;
}

.star {
    width: 12px;
    height: 12px;
}

.star svg {
    width: 100%;
    height: 100%;
}

.star--filled svg {
    fill: #fbbf24;
    color: #fbbf24;
}

.star:not(.star--filled) svg {
    fill: transparent;
    color: var(--color-text-muted);
}

.rating-count {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    padding: var(--space-1);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.filter-tab {
    flex: 1;
    min-width: max-content;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filter-tab:hover {
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.04);
}

.filter-tab--active {
    color: var(--color-primary-500);
    background: var(--color-primary-glow);
}

/* ============================================
   SEARCH BOX
   ============================================ */
.search-box {
    position: relative;
    margin-bottom: var(--space-5);
}

.search-box__icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.search-box__input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-12);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.search-box__input::placeholder {
    color: var(--color-text-muted);
}

.search-box__input:hover {
    border-color: var(--color-border-hover);
}

.search-box__input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-5);
    text-align: center;
    color: var(--color-text-muted);
}

.empty-state__icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state__text {
    font-size: var(--text-sm);
}

/* ============================================
   UPLOAD ZONE
   ============================================ */
.upload__zone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    cursor: pointer;
}

.upload__zone:hover,
.upload__zone--dragover {
    border-color: var(--color-primary-500);
    background: rgba(20, 184, 166, 0.05);
}

.upload__zone--dragover {
    transform: scale(1.01);
    box-shadow: var(--shadow-glow);
}

.upload__icon {
    width: 56px;
    height: 56px;
    color: var(--color-primary-500);
    margin-bottom: var(--space-4);
    transition: transform var(--transition-smooth);
}

.upload__zone:hover .upload__icon {
    transform: translateY(-4px);
}

.upload__icon svg {
    width: 100%;
    height: 100%;
}

.upload__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.upload__text {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-5);
}

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.progress__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.progress__label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
}

.progress__percent {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    font-family: var(--font-mono);
    color: var(--color-primary-500);
}

.progress__track {
    width: 100%;
    height: 6px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress__bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-500));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
    box-shadow: 0 0 12px var(--color-primary-glow);
}

/* ============================================
   RESULT CARD
   ============================================ */
.result-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    animation: cardSlideIn 0.4s var(--ease-bounce);
}

.result-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.result-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.result-card__icon--success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.result-card__icon--error {
    background: var(--color-error-light);
    color: var(--color-error);
}

.result-card__icon svg {
    width: 22px;
    height: 22px;
}

.result-card__info {
    flex: 1;
    min-width: 0;
}

.result-card__name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-card__status {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

.result-card__status--success {
    color: var(--color-success);
}

.result-card__status--error {
    color: var(--color-error);
}

/* ============================================
   CERTIFICATE SELECT
   ============================================ */
.cert-select-wrapper {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.cert-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.cert-select {
    width: 100%;
    padding: var(--space-3) var(--space-10) var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    appearance: none;
    transition: all var(--transition-fast);
}

.cert-select:hover {
    border-color: var(--color-border-hover);
}

.cert-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.cert-select option {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* Sign Button */
.sign-btn {
    width: 100%;
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.sign-btn:hover:not(:disabled) {
    box-shadow: 0 4px 16px var(--color-primary-glow);
    filter: brightness(1.05);
}

.sign-btn:disabled {
    background: var(--color-text-muted);
    cursor: not-allowed;
    box-shadow: none;
    filter: none;
}

.sign-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   BADGE
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    font-family: var(--font-mono);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text-muted);
}

.badge--primary {
    background: var(--color-primary-glow);
    border-color: var(--color-primary-500);
    color: var(--color-primary-400);
}