/*
 * Fitly Shared Design System
 * Core design tokens shared across Mobile and Web apps.
 * Both apps import this file for visual consistency.
 */

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
    /* Primary Colors */
    --primary-color: #03A9F5;
    --primary-hover: #0288D1;
    --primary-light: #4FC3F7;
    --primary-dark: #004085;

    /* Secondary Colors */
    --secondary-color: #6c757d;
    --secondary-hover: #545b62;
    --secondary-light: #f8f9fa;

    /* Semantic Colors */
    --success-color: #28a745;
    --success-hover: #218838;
    --success-light: #d4edda;

    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --danger-light: #f8d7da;

    --warning-color: #ffc107;
    --warning-hover: #e0a800;
    --warning-light: #fff3cd;

    --info-color: #17a2b8;
    --info-hover: #138496;
    --info-light: #d1ecf1;

    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --text-inverse: #ffffff;

    /* Background Colors */
    --background-primary: #ffffff;
    --background-secondary: #f8f9fa;
    --background-tertiary: #e9ecef;
    --background-accent: #f5f7fa;

    /* Border Colors */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-dark: #adb5bd;

    /* Border Radius */
    --border-radius-xs: 4px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-md: 16px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
    --border-radius-pill: 50px;
    --border-radius-circle: 50%;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.16);

    /* Spacing Scale */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
    --spacing-4xl: 40px;

    /* Typography Scale */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;

    /* Font Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Z-Index Scale */
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 10000;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
    --z-index-loading-modal: 10100;
}

/* ===== SHARED COMPONENT STYLES ===== */

/* Shared Modal */
.shared-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-index-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.shared-modal.visible {
    display: flex !important;
}

.shared-modal .modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-modal-backdrop);
}

.shared-modal .modal-content {
    position: relative;
    background: var(--background-primary, #fff);
    border-radius: var(--border-radius-lg, 12px);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    border: 1px solid var(--border-color, #dee2e6);
    z-index: var(--z-index-modal);
    animation: modalFadeIn 0.2s ease-out;
}

.shared-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #dee2e6);
}

.shared-modal .modal-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #212529);
}

.shared-modal .modal-body {
    padding: 20px;
}

.shared-modal .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color, #dee2e6);
    background: var(--background-secondary, #f8f9fa);
    border-radius: 0 0 var(--border-radius-lg, 12px) var(--border-radius-lg, 12px);
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Loading Modal */
.loading-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-loading-modal);
}

.loading-modal-content {
    background: var(--background-primary);
    border-radius: var(--border-radius);
    padding: var(--spacing-3xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    max-width: 320px;
    width: 90%;
}

.loading-modal-spinner .spinner {
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

.spinner-sm { width: 24px; height: 24px; }
.spinner-md { width: 40px; height: 40px; }
.spinner-lg { width: 56px; height: 56px; }

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

.loading-modal-message h3 {
    margin: var(--spacing-lg) 0 0;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.loading-modal-submessage p {
    margin: var(--spacing-sm) 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Shared card styles */
.card {
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

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

/* Search container */
.search-container {
    position: relative;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-pill);
    background: var(--background-secondary);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input-wrapper input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(3, 169, 245, 0.15);
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

/* Filter dropdowns */
.filter-dropdowns {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.filter-dropdown select {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--background-primary);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* Error container */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
    text-align: center;
}