/**
 * Mobile-Enhanced Forms & UI Components
 * Optimized for touch interfaces, tablets, and mobile devices
 * Version: 1.0.0
 */

/* ============================================
   FLOATING LABEL INPUTS
   ============================================ */

.form-floating {
    position: relative;
    margin-bottom: 24px;
}

.form-floating input,
.form-floating textarea,
.form-floating select {
    width: 100%;
    padding: 20px 16px 8px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    transition: all 0.3s ease;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-floating label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--text-secondary);
    pointer-events: none;
    transition: all 0.3s ease;
    background: var(--surface);
    padding: 0 4px;
}

.form-floating input:focus,
.form-floating textarea:focus,
.form-floating select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-floating input:focus + label,
.form-floating input:not(:placeholder-shown) + label,
.form-floating textarea:focus + label,
.form-floating textarea:not(:placeholder-shown) + label,
.form-floating select:focus + label,
.form-floating select:not([value=""]) + label {
    top: 0;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
}

.form-floating input.error,
.form-floating textarea.error,
.form-floating select.error {
    border-color: var(--danger);
}

.form-floating .error-message {
    position: absolute;
    bottom: -20px;
    left: 16px;
    font-size: 12px;
    color: var(--danger);
    font-weight: 500;
}

.form-floating .success-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--success);
    font-size: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}

.form-floating input.success + label + .success-icon,
.form-floating textarea.success + label + .success-icon {
    opacity: 1;
}

/* Textarea specific */
.form-floating textarea {
    min-height: 120px;
    resize: vertical;
    padding-top: 24px;
}

.form-floating textarea + label {
    top: 24px;
}

.form-floating textarea:focus + label,
.form-floating textarea:not(:placeholder-shown) + label {
    top: 8px;
}

/* ============================================
   ENHANCED INPUT FIELDS
   ============================================ */

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 20px;
    pointer-events: none;
}

.input-group input {
    padding-left: 48px;
}

.input-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--text-secondary);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 14px;
}

.input-group input:not(:placeholder-shown) ~ .input-clear {
    opacity: 1;
}

/* ============================================
   NATIVE-STYLE BUTTONS
   ============================================ */

.btn-native {
    width: 100%;
    padding: 16px 24px;
    font-size: 17px;
    font-weight: 600;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 56px;
    position: relative;
    overflow: hidden;
}

.btn-native:active {
    transform: scale(0.97);
}

.btn-native-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-native-secondary {
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-native-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-native-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-native-ghost {
    background: transparent;
    color: var(--primary);
}

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

.btn-native.loading {
    pointer-events: none;
}

.btn-native .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ============================================
   SEGMENTED CONTROL (iOS-style tabs)
   ============================================ */

.segmented-control {
    display: flex;
    background: var(--background-alt);
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
    margin-bottom: 24px;
}

.segment {
    flex: 1;
    padding: 12px;
    text-align: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.segment.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.segment:active {
    transform: scale(0.96);
}

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

.card-modern {
    background: var(--surface);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card-modern:active::before {
    transform: scaleX(1);
}

.card-modern:active {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.card-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

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

.card-footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================
   LIST ITEMS (Native-style)
   ============================================ */

.list-native {
    background: var(--surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.list-item-native {
    display: flex;
    align-items: center;
    padding: 16px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.2s;
    min-height: 68px;
}

.list-item-native:last-child {
    border-bottom: none;
}

.list-item-native:active {
    background: var(--background-alt);
}

.list-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    color: white;
    border-radius: 14px;
    font-size: 24px;
    flex-shrink: 0;
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--text);
}

.list-item-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.list-item-arrow {
    color: var(--text-secondary);
    font-size: 20px;
}

/* ============================================
   TOGGLE SWITCH (iOS-style)
   ============================================ */

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 32px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: 0.3s;
    border-radius: 32px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 28px;
    width: 28px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--success);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* ============================================
   RADIO BUTTONS (Custom styled)
   ============================================ */

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-item {
    display: flex;
    align-items: center;
    padding: 16px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.radio-item:active {
    transform: scale(0.98);
}

.radio-item input[type="radio"] {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    accent-color: var(--primary);
}

.radio-item.selected {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

/* ============================================
   CHECKBOX (Custom styled)
   ============================================ */

.checkbox-custom {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-custom input[type="checkbox"] {
    display: none;
}

.checkbox-box {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-radius: 6px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.checkbox-custom input[type="checkbox"]:checked + .checkbox-box {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-custom input[type="checkbox"]:checked + .checkbox-box::after {
    content: '✓';
    color: white;
    font-weight: bold;
}

/* ============================================
   DATE & TIME PICKERS (Native-style)
   ============================================ */

input[type="date"],
input[type="time"],
input[type="datetime-local"] {
    padding: 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
}

input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* ============================================
   SELECT DROPDOWN (Enhanced)
   ============================================ */

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    width: 100%;
    padding: 16px 48px 16px 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
    font-size: 12px;
}

.select-wrapper select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* ============================================
   SEARCH BAR (Native-style)
   ============================================ */

.search-bar {
    position: relative;
    margin-bottom: 20px;
}

.search-bar input {
    width: 100%;
    padding: 14px 48px 14px 48px;
    font-size: 16px;
    border: none;
    border-radius: 12px;
    background: var(--background-alt);
    color: var(--text);
}

.search-bar::before {
    content: '🔍';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
}

.search-bar .clear-search {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-secondary);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

.search-bar input:not(:placeholder-shown) ~ .clear-search {
    opacity: 1;
}

/* ============================================
   BADGES & PILLS
   ============================================ */

.badge-new {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    color: white;
}

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

.badge-warning {
    background: var(--warning);
    color: white;
}

.badge-danger {
    background: var(--danger);
    color: white;
}

.badge-outline {
    background: transparent;
    border: 2px solid currentColor;
}

/* ============================================
   PROGRESS BARS
   ============================================ */

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--background-alt);
    border-radius: 8px;
    overflow: hidden;
    margin: 8px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--purple) 100%);
    border-radius: 8px;
    transition: width 0.3s ease;
}

/* ============================================
   DIVIDERS
   ============================================ */

.divider {
    height: 1px;
    background: var(--border);
    margin: 24px 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.empty-state-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ============================================
   MOBILE RESPONSIVE ENHANCEMENTS
   ============================================ */

@media (max-width: 768px) {
    /* Larger touch targets */
    button, .btn, [role="button"],
    input, select, textarea {
        min-height: 48px;
    }

    /* Better spacing */
    .form-floating {
        margin-bottom: 20px;
    }

    /* Full width buttons on mobile */
    .btn-native {
        width: 100%;
        margin-bottom: 12px;
    }

    /* Adjust card padding */
    .card-modern {
        padding: 16px;
    }

    /* Stack segmented control on very small screens */
    @media (max-width: 380px) {
        .segmented-control {
            flex-direction: column;
            gap: 8px;
        }
    }
}

/* ============================================
   TABLET OPTIMIZATIONS
   ============================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    /* Two-column form layouts on tablets */
    .form-row-tablet {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    /* Compact card grid for tablets */
    .card-grid-tablet {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* ============================================
   FORM CONSISTENCY FIXES
   ============================================ */

/* Ensure all form inputs have consistent width */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="datetime-local"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
    width: 100%;
    box-sizing: border-box;
}

/* Fix inputs inside flex containers */
.form-group > div[style*="display: flex"] input,
.form-group > div[style*="display:flex"] input {
    flex: 1;
    min-width: 0;
}

/* Voice button in payment form should be square and compact */
.form-group button[onclick*="Voice"],
.form-group button[title="Voice Input"] {
    width: 48px;
    min-width: 48px;
    height: 48px;
    flex-shrink: 0;
    flex-grow: 0;
    padding: 0;
}

/* Additional mobile fixes */
@media (max-width: 768px) {
    /* Ensure form inputs take full width */
    .form-group {
        margin-bottom: 20px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100% !important;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Fix flex container inputs */
    .form-group > div[style*="flex"] {
        display: flex !important;
        gap: 8px;
        align-items: stretch;
    }

    .form-group > div[style*="flex"] input {
        flex: 1;
        min-width: 0;
        width: auto !important;
    }

    /* Voice buttons compact on mobile */
    .form-group button[onclick*="Voice"],
    .form-group button[title="Voice Input"] {
        width: 48px !important;
        min-width: 48px !important;
        max-width: 48px !important;
        flex: 0 0 48px !important;
    }
}