/* Apollo Rewards - Main Stylesheet */

/* Import Tailwind CSS */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

/* Apollo Design System Variables */
:root {
    --md-sys-color-primary: #28266d;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #d9dcf0;
    --md-sys-color-on-primary-container: #100f2e;
    --md-sys-color-secondary: #65becc;
    --md-sys-color-on-secondary: #06262c;
    --md-sys-color-secondary-container: #d5f1f5;
    --md-sys-color-surface: #f5f8fa;
    --md-sys-color-surface-container: #ffffff;
    --md-sys-color-surface-container-high: #eef0f8;
    --md-sys-color-on-surface: #100f2e;
    --md-sys-color-on-surface-variant: #45486a;
    --md-sys-color-outline: #c5cede;
    --md-sys-color-outline-variant: #dde3ef;

    /* Apollo custom colors */
    --color-apollo-50: #eef0f8;
    --color-apollo-100: #d9dcf0;
    --color-apollo-200: #b3b8e0;
    --color-apollo-300: #8589c4;
    --color-apollo-400: #5553a0;
    --color-apollo-500: #28266d;
    --color-apollo-600: #22215c;
    --color-apollo-700: #1c1a4d;
    --color-apollo-800: #16143d;
    --color-apollo-900: #100f2e;

    /* Accent colors (teal) */
    --color-accent-400: #84ccd7;
    --color-accent-500: #65becc;
    --color-accent-600: #3fa0b0;

    /* Elevation */
    --md-elevation-1: 0 1px 2px rgba(16, 15, 46, 0.08), 0 1px 3px 1px rgba(16, 15, 46, 0.06);
    --md-elevation-2: 0 1px 2px rgba(16, 15, 46, 0.1), 0 2px 6px 2px rgba(16, 15, 46, 0.08);
    --md-elevation-3: 0 4px 8px 3px rgba(16, 15, 46, 0.1), 0 1px 3px rgba(16, 15, 46, 0.12);

    /* Shape */
    --md-shape-corner-sm: 8px;
    --md-shape-corner-md: 12px;
    --md-shape-corner-lg: 16px;
    --md-shape-corner-xl: 28px;
}

/* Base styles */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', ui-sans-serif, system-ui, sans-serif;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Material Icons */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    user-select: none;
}

.material-symbols-outlined.fill {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* App Bar */
.md-app-bar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--md-sys-color-surface-container) 88%, transparent);
    backdrop-filter: blur(16px);
    box-shadow: var(--md-elevation-1);
}

/* Card */
.md-card {
    background: var(--md-sys-color-surface-container);
    border-radius: var(--md-shape-corner-lg);
    box-shadow: var(--md-elevation-1);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.md-card:hover {
    box-shadow: var(--md-elevation-2);
}

.md-card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-elevation-3);
}

/* Buttons */
.md-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.025em;
    min-height: 40px;
    padding: 0 24px;
    border-radius: var(--md-shape-corner-xl);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.md-btn:active {
    transform: scale(0.98);
}

.md-btn-filled {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-elevation-1);
}

.md-btn-filled:hover {
    background: var(--color-apollo-600);
    box-shadow: var(--md-elevation-2);
}

.md-btn-tonal {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.md-btn-tonal:hover {
    background: var(--color-apollo-200);
}

.md-btn-outlined {
    background: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-outline);
}

.md-btn-outlined:hover {
    background: var(--md-sys-color-surface-container-high);
}

.md-btn-text {
    background: transparent;
    color: var(--md-sys-color-primary);
    padding: 0 12px;
}

.md-btn-text:hover {
    background: var(--md-sys-color-surface-container-high);
}

/* Chips */
.md-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 8px;
    background: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface-variant);
}

.md-chip-accent {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary);
}

/* FAB */
.md-fab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
    min-height: 56px;
    padding: 0 20px;
    border-radius: 16px;
    background: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-secondary);
    box-shadow: var(--md-elevation-3);
}

/* Text Fields */
.md-text-field {
    width: 100%;
}

.md-text-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--md-sys-color-on-surface-variant);
}

.md-text-field input,
.md-text-field select,
.md-text-field textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    outline: none;
    background: var(--md-sys-color-surface-container-high);
    border: 1px solid transparent;
    border-bottom: 2px solid var(--md-sys-color-outline);
    border-radius: 4px 4px 0 0;
    color: var(--md-sys-color-on-surface);
    transition: border-color 0.2s ease, background 0.2s ease;
    font-size: 1rem;
}

.md-text-field input:focus,
.md-text-field select:focus,
.md-text-field textarea:focus {
    border-bottom-color: var(--md-sys-color-primary);
    background: var(--color-apollo-100);
}

/* Nav Links */
.md-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: colors 0.2s ease;
    color: var(--md-sys-color-on-surface-variant);
    text-decoration: none;
}

.md-nav-link:hover,
.md-nav-link.active {
    color: var(--md-sys-color-primary);
    background: var(--md-sys-color-primary-container);
}

/* Hero Section */
.hero-wash {
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(40, 38, 109, 0.14), transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 10%, rgba(101, 190, 204, 0.28), transparent 50%),
        linear-gradient(160deg, #f5f8fa 0%, #eef0f8 45%, #e5f6f9 100%);
}

/* Paint Swatch */
.paint-swatch {
    border-radius: 9999px;
    box-shadow: var(--md-elevation-1);
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid white;
}

/* Reward Icon */
.reward-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    width: 3.5rem;
    height: 3.5rem;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
}

/* Brand Logo */
.brand-logo {
    height: 2.75rem;
    width: auto;
    object-fit: contain;
}

.brand-logo-lg {
    height: 3.5rem;
    width: auto;
    object-fit: contain;
}

.brand-mark {
    height: 3.5rem;
    width: 3.5rem;
    object-fit: contain;
}

/* Utility Classes */
.text-apollo-900 { color: var(--color-apollo-900); }
.bg-apollo-500 { background-color: var(--color-apollo-500); }
.border-outline { border-color: var(--md-sys-color-outline); }