/**
 * Premium Component Library for ResumeCraft Web
 * Matching iOS components for cross-platform consistency
 */

/* ========== BUTTONS ========== */

.premium-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xxs);
    font-family: var(--font-family-sans);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal) var(--ease-in-out);
    position: relative;
    overflow: hidden;
    user-select: none;
}

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

.premium-button:active:not(:disabled) {
    transform: scale(0.96);
}

/* Button Sizes */
.premium-button--small {
    padding: var(--spacing-xxs) var(--spacing-sm);
    font-size: var(--font-size-label-medium);
    border-radius: var(--radius-button);
}

.premium-button--medium {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-label-large);
    border-radius: var(--radius-button);
}

.premium-button--large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-title-small);
    border-radius: var(--radius-button);
}

/* Button Styles */
.premium-button--primary {
    background: var(--color-primary-blue);
    color: var(--color-text-on-primary);
    box-shadow: var(--shadow-sm);
}

.premium-button--primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.premium-button--secondary {
    background: var(--color-neutral-100);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-xs);
}

.premium-button--secondary:hover:not(:disabled) {
    background: var(--color-neutral-200);
    box-shadow: var(--shadow-sm);
}

.premium-button--outline {
    background: transparent;
    color: var(--color-primary-blue);
    border: 1.5px solid var(--color-border-default);
}

.premium-button--outline:hover:not(:disabled) {
    background: var(--color-neutral-50);
    border-color: var(--color-primary-blue);
}

.premium-button--ghost {
    background: transparent;
    color: var(--color-primary-blue);
}

.premium-button--ghost:hover:not(:disabled) {
    background: var(--color-neutral-100);
}

.premium-button--danger {
    background: var(--color-accent-red);
    color: var(--color-text-on-primary);
    box-shadow: var(--shadow-sm);
}

.premium-button--danger:hover:not(:disabled) {
    background: #DC2626;
    box-shadow: var(--shadow-md);
}

.premium-button--success {
    background: var(--color-accent-green);
    color: var(--color-text-on-primary);
    box-shadow: var(--shadow-sm);
}

.premium-button--success:hover:not(:disabled) {
    background: #059669;
    box-shadow: var(--shadow-md);
}

/* Button Loading State */
.premium-button__spinner {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ========== CARDS ========== */

.premium-card {
    background: var(--color-surface-card);
    border-radius: var(--radius-card);
    padding: var(--spacing-card-padding);
    transition: all var(--transition-normal) var(--ease-in-out);
}

.premium-card--flat {
    box-shadow: none;
}

.premium-card--low {
    box-shadow: var(--shadow-xs);
}

.premium-card--medium {
    box-shadow: var(--shadow-sm);
}

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

.premium-card--bordered {
    border: 1px solid var(--color-border-default);
}

.premium-card--tappable {
    cursor: pointer;
}

.premium-card--tappable:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.premium-card--tappable:active {
    transform: translateY(0) scale(0.98);
}

/* Info Card */
.info-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.info-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.info-card__content {
    flex: 1;
}

.info-card__title {
    font-size: var(--font-size-title-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.info-card__description {
    font-size: var(--font-size-body-medium);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
}

.info-card__arrow {
    color: var(--color-text-tertiary);
    font-size: 14px;
}

/* Stat Card */
.stat-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-card__icon {
    font-size: 20px;
    color: var(--color-primary-blue);
}

.stat-card__trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-label-small);
    font-weight: var(--font-weight-semibold);
}

.stat-card__trend--up {
    color: var(--color-accent-green);
}

.stat-card__trend--down {
    color: var(--color-accent-red);
}

.stat-card__value {
    font-size: var(--font-size-display-small);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
}

.stat-card__label {
    font-size: var(--font-size-label-medium);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

/* Feature Card */
.feature-card {
    display: flex;
    flex-direction: column;
}

.feature-card__image {
    position: relative;
    height: 140px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.feature-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card__gradient {
    background: linear-gradient(135deg, var(--color-primary-blue), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 48px;
}

.feature-card__badge {
    position: absolute;
    top: var(--spacing-xxs);
    right: var(--spacing-xxs);
    background: var(--color-accent-purple);
    color: var(--color-white);
    padding: 4px var(--spacing-xxs);
    border-radius: var(--radius-xs);
    font-size: var(--font-size-label-small);
    font-weight: var(--font-weight-semibold);
}

.feature-card__title {
    font-size: var(--font-size-title-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xxxs);
}

.feature-card__description {
    font-size: var(--font-size-body-medium);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== INPUTS ========== */

.premium-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxs);
}

.premium-input__label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-label-large);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.premium-input__required {
    color: var(--color-accent-red);
}

.premium-input__wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-neutral-100);
    border: 2px solid var(--color-border-default);
    border-radius: var(--radius-input);
    transition: all var(--transition-fast) var(--ease-in-out);
}

.premium-input__wrapper:focus-within {
    background: var(--color-surface-card);
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-primary);
}

.premium-input__wrapper--error {
    border-color: var(--color-border-error);
}

.premium-input__wrapper--error:focus-within {
    box-shadow: var(--shadow-error);
}

.premium-input__icon {
    font-size: 18px;
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.premium-input__wrapper:focus-within .premium-input__icon {
    color: var(--color-primary-blue);
}

.premium-input__wrapper--error .premium-input__icon {
    color: var(--color-accent-red);
}

.premium-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--font-family-sans);
    font-size: var(--font-size-body-medium);
    color: var(--color-text-primary);
}

.premium-input::placeholder {
    color: var(--color-text-tertiary);
}

.premium-input__clear {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-tertiary);
    font-size: 16px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.premium-input__clear:hover {
    color: var(--color-text-primary);
}

.premium-input__helper {
    font-size: var(--font-size-caption);
    color: var(--color-text-tertiary);
}

.premium-input__error {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-caption);
    color: var(--color-accent-red);
}

/* Text Area */
.premium-textarea {
    min-height: 100px;
    resize: vertical;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-body-medium);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background: var(--color-neutral-100);
    border: 2px solid var(--color-border-default);
    border-radius: var(--radius-input);
    outline: none;
    transition: all var(--transition-fast) var(--ease-in-out);
}

.premium-textarea:focus {
    background: var(--color-surface-card);
    border-color: var(--color-border-focus);
    box-shadow: var(--shadow-primary);
}

.premium-textarea__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xxs);
}

.premium-textarea__count {
    font-size: var(--font-size-caption);
    color: var(--color-text-tertiary);
}

.premium-textarea__count--warning {
    color: var(--color-accent-orange);
}

.premium-textarea__count--error {
    color: var(--color-accent-red);
}

/* ========== ANIMATIONS ========== */

@keyframes bounce-in {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slide-up {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-bounce-in {
    animation: bounce-in 0.5s var(--ease-bounce);
}

.animate-slide-up {
    animation: slide-up 0.3s var(--ease-out);
}

.animate-fade-in {
    animation: fade-in 0.3s var(--ease-in-out);
}

.shimmer-loading {
    background: linear-gradient(
        90deg,
        var(--color-neutral-200) 0%,
        var(--color-neutral-100) 50%,
        var(--color-neutral-200) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 1.5s linear infinite;
}

/* ========== UTILITY CLASSES ========== */

.elevation-flat {
    box-shadow: none;
}

.elevation-low {
    box-shadow: var(--shadow-xs);
}

.elevation-medium {
    box-shadow: var(--shadow-sm);
}

.elevation-high {
    box-shadow: var(--shadow-md);
}

.elevation-xl {
    box-shadow: var(--shadow-lg);
}

.transition-all {
    transition: all var(--transition-normal) var(--ease-in-out);
}

.transition-fast {
    transition: all var(--transition-fast) var(--ease-in-out);
}

.cursor-pointer {
    cursor: pointer;
}

.no-select {
    user-select: none;
}