/* Spello UI Components */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled), .btn-primary:focus:not(:disabled) {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

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

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled), .btn-secondary:focus:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), var(--color-success-dark));
    color: var(--color-text-inverse);
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-success-light), var(--color-success));
    box-shadow: var(--glow-success);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error), var(--color-error-dark));
    color: var(--color-text-inverse);
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-error-light), var(--color-error));
    box-shadow: var(--glow-error);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
    min-height: var(--touch-target-comfortable);
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: var(--space-md);
    border-radius: var(--radius-full);
}

.btn-icon svg {
    width: 24px;
    height: 24px;
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: var(--space-lg);
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: #ffffff;
}

.card-body {
    color: var(--color-text);
}

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

/* Input Fields */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.input-label {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.input {
    padding: var(--space-md);
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: var(--touch-target-min);
}

.input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

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

/* Modal/Dialog */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-primary);
    border-top: 2px solid var(--color-accent);
    box-shadow: var(--glow-primary);
    padding: var(--space-xl);
    max-width: 400px;
    width: 100%;
    transform: scale(0.9);
    transition: transform var(--transition-bounce);
}

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

.modal-overlay-transparent {
    background: rgba(0, 0, 0, 0.4);
}

.modal-overlay-transparent .modal {
    border-color: var(--color-border);
}

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

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

.modal-close {
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

.modal-body {
    margin-bottom: var(--space-lg);
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* Badge/Pill */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(255, 204, 0, 0.1);
    color: var(--color-warning);
}

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.badge-accent {
    background: var(--color-accent-bg);
    color: var(--color-accent);
}

.badge-xp {
    background: linear-gradient(135deg, var(--color-xp), var(--color-secondary));
    color: var(--color-text-inverse);
}

/* Progress Ring (for level display) */
.progress-ring {
    position: relative;
    width: 60px;
    height: 60px;
}

.progress-ring-circle {
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

.progress-ring-bg {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 4;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: square;
    transition: stroke-dashoffset var(--transition-slow);
}

.progress-ring-text {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

/* Streak Counter */
.streak-counter {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, var(--color-streak), var(--color-streak-fire));
    border-radius: var(--radius-full);
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
}

.streak-icon {
    font-size: 20px;
}

/* Avatar Selector */
.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.avatar-option {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    border: 2px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    transition: all var(--transition-fast);
}

.avatar-option:hover {
    transform: scale(1.1);
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.avatar-option.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: slideUp 0.3s ease, fadeOut 0.3s ease 2.7s;
    pointer-events: auto;
}

.toast-success {
    border-left: 3px solid var(--color-success);
    box-shadow: var(--glow-success);
}

.toast-error {
    border-left: 3px solid var(--color-error);
    box-shadow: var(--glow-error);
}

.toast-xp {
    background: linear-gradient(135deg, var(--color-xp), var(--color-secondary));
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    border: none;
}

/* Confetti Effect Area */
.confetti-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--z-tooltip);
    overflow: hidden;
}

/* Back Button */
.back-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: var(--font-size-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.back-btn:hover {
    background: var(--color-bg-elevated);
    color: var(--color-primary);
}

/* Toggle Switch */
.toggle {
    position: relative;
    width: 56px;
    height: 32px;
}

.toggle-input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 4px;
    width: 24px;
    height: 24px;
    background: var(--color-text);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle-input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: var(--color-text-inverse);
}

/* Companion/Mascot Display */
.mascot-container {
    position: relative;
    width: 120px;
    height: 120px;
}

.mascot {
    width: 100%;
    height: 100%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.mascot-speech {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-bg-card);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    margin-bottom: var(--space-sm);
}

.mascot-speech::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--color-border);
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    text-align: center;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.empty-state-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

/* Update Banner */
.update-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    z-index: var(--z-toast);
    animation: slideUp 0.3s ease;
}

.update-banner-btn {
    background: var(--color-text-inverse);
    color: var(--color-primary);
    border: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.update-banner-btn:hover {
    transform: scale(1.05);
}

.update-banner-dismiss {
    background: transparent;
    border: none;
    color: var(--color-text-inverse);
    padding: var(--space-sm);
    cursor: pointer;
    opacity: 0.7;
    font-size: var(--font-size-lg);
}

.update-banner-dismiss:hover {
    opacity: 1;
}

/* Credits Display */
.credits-display {
    color: var(--color-warning);
}

/* Rewards Screen */
.credits-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--color-secondary), var(--color-warning), var(--color-secondary));
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-warning);
}

.credits-icon {
    font-size: 24px;
}

.credits-amount {
    font-size: var(--font-size-2xl);
}

.credits-label {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
}

.picture-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.picture-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--glow-primary);
    transform: scale(1.02);
}

.picture-card.unlocked {
    border-color: var(--color-success);
    box-shadow: var(--glow-success);
}

.picture-preview {
    aspect-ratio: 4/3;
    background: var(--color-bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
}

.picture-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.picture-locked {
    font-size: 32px;
    opacity: 0.5;
}

.picture-info {
    padding: var(--space-sm);
}

.picture-progress-bar {
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.picture-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transition: width var(--transition-normal);
}

.picture-progress-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-align: center;
}

/* Scratch Modal */
.scratch-modal {
    max-width: 360px;
}

.scratch-container {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

#scratch-canvas {
    border-radius: var(--radius-md);
    max-width: 100%;
}

.credit-controls {
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.slider-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-semibold);
}

.credit-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
}

.credit-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.credit-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    border: none;
}

.slider-info {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-align: center;
}

/* Results rewards display */
.results-rewards {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.results-xp-gained,
.results-credits-gained {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

.results-xp-gained {
    background: linear-gradient(135deg, var(--color-xp), var(--color-secondary));
    color: var(--color-text-inverse);
}

.results-credits-gained {
    background: linear-gradient(135deg, var(--color-warning), var(--color-secondary));
    color: var(--color-text-inverse);
}

/* Fullscreen picture view */
.picture-fullscreen {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    cursor: pointer;
}

.picture-fullscreen img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.close-fullscreen {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    font-size: 24px;
    cursor: pointer;
}

/* Offline Status Indicator */
.offline-status {
    position: fixed;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    z-index: 1000;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.offline-status.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
    pointer-events: none;
}

.offline-status-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
}

.offline-status.ready .offline-status-icon {
    background: var(--color-success);
}

.offline-status.downloading .offline-status-icon {
    background: var(--color-warning);
    animation: pulse 1s ease-in-out infinite;
}

.offline-status.error .offline-status-icon {
    background: var(--color-error);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}