/* Material Design 3 Components */

/* Cards */
.card {
    background: var(--m3-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--elev-1);
    padding: var(--space-lg);
    border: 1px solid var(--m3-outline-variant);
}

.card-elevated {
    box-shadow: var(--elev-2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 var(--space-lg);
    border-radius: var(--radius-xl);
    font-weight: 500;
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-filled {
    background: var(--m3-primary);
    color: var(--m3-on-primary);
    border: none;
}

.btn-filled:hover:not(:disabled) {
    background: color-mix(in srgb, var(--m3-primary) 90%, black);
    box-shadow: var(--elev-1);
}

.btn-filled:active:not(:disabled) {
    background: color-mix(in srgb, var(--m3-primary) 80%, black);
}

.btn-tonal {
    background: var(--m3-secondary-container);
    color: var(--m3-on-secondary-container);
    border: none;
}

.btn-tonal:hover:not(:disabled) {
    background: color-mix(in srgb, var(--m3-secondary-container) 90%, black);
    box-shadow: var(--elev-1);
}

.btn-tonal:active:not(:disabled) {
    background: color-mix(in srgb, var(--m3-secondary-container) 80%, black);
}

.btn-small {
    min-height: 32px;
    padding: 0 var(--space-md);
    font-size: var(--font-size-sm);
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* Input fields */
.input-group {
    margin-bottom: var(--space-lg);
}

.input-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--m3-on-surface-variant);
    margin-bottom: var(--space-xs);
}

.text-input,
.textarea-input {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--m3-outline);
    border-radius: var(--radius-md);
    background: var(--m3-surface);
    color: var(--m3-on-surface);
    font-size: var(--font-size-md);
    transition: all var(--transition-fast);
}

.text-input:focus,
.textarea-input:focus {
    outline: none;
    border-color: var(--m3-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--m3-primary) 20%, transparent);
}

.textarea-input {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

/* Utility classes */
.hidden {
    display: none !important;
}

.row {
    display: flex;
    align-items: center;
}

.gap-sm {
    gap: var(--space-sm);
}

.gap-md {
    gap: var(--space-md);
}

.gap-lg {
    gap: var(--space-lg);
}

.full-width {
    width: 100%;
}

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

.text-error {
    color: var(--m3-error);
}

/* Error message */
.error-message {
    color: var(--m3-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-sm);
    min-height: 1.2em;
}

/* Snackbar */
.snackbar {
    position: fixed;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--m3-inverse-surface, #313033);
    color: var(--m3-inverse-on-surface, #f4eff4);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--elev-3);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-width: 90vw;
    word-wrap: break-word;
    line-height: 1.4;
}

.snackbar.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive typography and spacing */
@media (max-width: 768px) {
    .btn {
        min-height: 44px;
        font-size: var(--font-size-md);
    }

    .btn-small {
        min-height: 36px;
        font-size: var(--font-size-sm);
    }

    .text-input,
    .textarea-input {
        font-size: var(--font-size-md);
        padding: var(--space-sm) var(--space-md);
    }

    .input-label {
        font-size: var(--font-size-sm);
    }

    .error-message {
        padding: var(--space-xs) var(--space-sm);
        font-size: var(--font-size-xs, 0.75rem);
        margin-top: var(--space-xs);
    }

    .snackbar {
        bottom: var(--space-md);
        left: var(--space-sm);
        right: var(--space-sm);
        transform: translateY(100px);
        max-width: none;
        text-align: center;
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .btn {
        min-height: 40px;
        font-size: var(--font-size-sm);
        padding: 0 var(--space-md);
    }

    .btn-small {
        min-height: 32px;
        font-size: var(--font-size-xs, 0.75rem);
        padding: 0 var(--space-sm);
    }

    .text-input,
    .textarea-input {
        font-size: var(--font-size-sm);
        padding: var(--space-xs) var(--space-sm);
    }

    .input-label {
        font-size: var(--font-size-xs, 0.75rem);
    }

    .error-message {
        padding: var(--space-xs);
        font-size: var(--font-size-xs, 0.7rem);
        margin-top: var(--space-xs);
        line-height: 1.3;
    }

    .snackbar {
        bottom: var(--space-sm);
        left: var(--space-xs);
        right: var(--space-xs);
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-sm);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        padding: 0 var(--space-lg);
    }

    .btn-small {
        min-height: 36px;
    }

    .text-input,
    .textarea-input {
        min-height: 44px;
        padding: var(--space-md);
    }

    /* Increase touch targets */
    .btn:active {
        transform: scale(0.98);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
    .btn {
        border-width: 0.5px;
    }

    .text-input,
    .textarea-input {
        border-width: 0.5px;
    }
}

/* Enhanced UX animations */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-2px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(2px);
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes bounce {

    0%,
    20%,
    53%,
    80%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    40%,
    43% {
        transform: translate3d(0, -8px, 0);
    }

    70% {
        transform: translate3d(0, -4px, 0);
    }

    90% {
        transform: translate3d(0, -2px, 0);
    }
}

/* Ripple effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

/* Enhanced button interactions */
.btn {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

/* Enhanced input focus states */
.text-input:focus,
.textarea-input:focus {
    transform: translateY(-1px);
    box-shadow:
        0 0 0 4px color-mix(in srgb, var(--m3-primary) 15%, transparent),
        0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Loading state enhancements */
.btn.loading {
    position: relative;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Enhanced snackbar animations */
.snackbar.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Mobile snackbar show state */
@media (max-width: 768px) {
    .snackbar.show {
        transform: translateY(0);
    }
}

.snackbar.success {
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--m3-primary) 90%, var(--m3-surface)),
            var(--m3-primary));
    color: var(--m3-on-primary);
    border-left: 4px solid var(--m3-primary);
}

.snackbar.error {
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--m3-error) 90%, var(--m3-surface)),
            var(--m3-error));
    color: var(--m3-on-error);
    border-left: 4px solid var(--m3-error);
}

.snackbar.info {
    background: linear-gradient(135deg,
            color-mix(in srgb, var(--m3-secondary) 90%, var(--m3-surface)),
            var(--m3-secondary));
    color: var(--m3-on-secondary);
    border-left: 4px solid var(--m3-secondary);
}

/* Enhanced form validation states */
.input-group.error .text-input,
.input-group.error .textarea-input {
    border-color: var(--m3-error);
    background: color-mix(in srgb, var(--m3-error-container) 10%, var(--m3-surface));
}

.input-group.success .text-input,
.input-group.success .textarea-input {
    border-color: var(--m3-primary);
    background: color-mix(in srgb, var(--m3-primary-container) 10%, var(--m3-surface));
}

/* Auto-resize textarea */
.textarea-input {
    resize: none;
    overflow: hidden;
    transition: height 0.2s ease;
}

/* Enhanced focus management */
.focus-ring:focus {
    outline: 2px solid var(--m3-primary);
    outline-offset: 2px;
}

/* Smooth transitions for all interactive elements */
.btn,
.text-input,
.textarea-input,
.card {
    transition: all var(--transition-fast);
}

/* Hover effects for cards */
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--elev-2);
}

/* Enhanced error message styling */
.error-message {
    background: color-mix(in srgb, var(--m3-error-container) 20%, transparent);
    border: 1px solid color-mix(in srgb, var(--m3-error) 30%, transparent);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--m3-error);
    animation: slideInFromTop 0.3s ease-out;
    word-wrap: break-word;
    line-height: 1.4;
    max-width: 100%;
    box-sizing: border-box;
}

/* Help text styling */
.help-text {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--m3-on-surface-variant);
    margin-top: var(--space-xs);
    opacity: 0.8;
}

/* Keyboard shortcuts styling */
kbd {
    display: inline-block;
    padding: 2px 6px;
    font-size: var(--font-size-xs, 0.75rem);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    background: var(--m3-surface-variant);
    border: 1px solid var(--m3-outline-variant);
    border-radius: var(--radius-sm);
    color: var(--m3-on-surface);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Login hints styling */
.login-hints {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: color-mix(in srgb, var(--m3-primary-container) 10%, transparent);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--m3-primary);
}

.hint-text {
    font-size: var(--font-size-sm);
    color: var(--m3-on-surface-variant);
    margin-bottom: var(--space-sm);
}

.hint-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hint-list li {
    font-size: var(--font-size-sm);
    color: var(--m3-on-surface-variant);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-sm);
    position: relative;
}

.hint-list li::before {
    content: '•';
    color: var(--m3-primary);
    position: absolute;
    left: 0;
}

/* App hints styling */
.app-hints {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: color-mix(in srgb, var(--m3-secondary-container) 10%, transparent);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--m3-secondary);
}

.shortcut-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.shortcut-item {
    font-size: var(--font-size-sm);
    color: var(--m3-on-surface-variant);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.shortcut-item kbd {
    flex-shrink: 0;
}

/* Enhanced focus states */
.focus-ring:focus {
    outline: 2px solid var(--m3-primary);
    outline-offset: 2px;
}

/* Responsive hints */
@media (max-width: 768px) {
    .shortcut-grid {
        grid-template-columns: 1fr;
    }

    .login-hints,
    .app-hints {
        padding: var(--space-sm);
    }

    .hint-text,
    .shortcut-item {
        font-size: var(--font-size-xs, 0.75rem);
    }
}