/*
 * PokerCoaching.ai Accounts - Main Stylesheet
 * Matches the design system from pokercoaching.ai
 */

/* 1. FONT IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&family=Poppins:wght@600;700;800&display=swap');

/* 2. DESIGN SYSTEM (CSS VARIABLES) */
:root {
    /* Color Palette - Gaming/Poker Dark Theme */
    --color-primary: #7C3AED;      /* Purple */
    --color-secondary: #A78BFA;    /* Light Purple */
    --color-cta: #F43F5E;          /* Pink/Red - High contrast CTA */
    --color-cta-hover: #E11D48;
    --color-background: #0F0F23;   /* Deep Blue/Black */
    --color-surface-1: #1A1A2E;    /* Card backgrounds */
    --color-surface-2: #252542;    /* Hover states */
    --color-border: #3A3A5A;
    --color-text-primary: #E2E8F0;
    --color-text-secondary: #94A3B8;
    --color-success: #22C55E;
    --color-error: #EF4444;
    --color-gold: #F59E0B;         /* Poker chip gold */

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --text-base-size: 16px;

    /* Spacing Scale */
    --space-xs: 0.25rem;  /* 4px */
    --space-sm: 0.5rem;   /* 8px */
    --space-md: 1rem;     /* 16px */
    --space-lg: 2rem;     /* 32px */
    --space-xl: 4rem;     /* 64px */
    --space-2xl: 6rem;    /* 96px */

    /* Sizing */
    --max-width: 1200px;
    --header-height: 70px;

    /* Borders & Shadows */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.4);
    --shadow-cta-glow: 0 0 30px rgba(244, 63, 94, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* 3. GLOBAL STYLES & RESETS */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--text-base-size);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    background-color: var(--color-background);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--space-lg); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-text-primary);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* 4. UTILITY CLASSES */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-xl) 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-cta));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* 5. HEADER */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    text-decoration: none;
}

.logo:hover {
    color: var(--color-text-primary);
}

/* 6. AUTH CONTAINER */
.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-lg) var(--space-xl);
}

.auth-card {
    background: var(--color-surface-1);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

/* 7. FORM STYLES */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.form-group input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.6;
}

.form-group input.error {
    border-color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    display: none;
}

.error-message.visible {
    display: block;
}

/* 8. BUTTON STYLES */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-cta));
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cta-glow);
    color: white;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

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

/* 9. DIVIDER */
.divider {
    display: flex;
    align-items: center;
    margin: var(--space-lg) 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

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

.divider::before {
    margin-right: var(--space-md);
}

.divider::after {
    margin-left: var(--space-md);
}

/* 10. AUTH LINKS */
.auth-links {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.auth-links p {
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.auth-links a {
    color: var(--color-primary);
    font-weight: 600;
}

.auth-links a:hover {
    color: var(--color-secondary);
}

/* 11. LOADING SPINNER */
.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: var(--space-sm);
}

.btn.loading .spinner {
    display: inline-block;
}

.btn.loading .btn-text {
    opacity: 0.7;
}

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

/* 12. ALERT MESSAGES */
.alert {
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    display: none;
}

.alert.visible {
    display: block;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

/* 13. TOKEN DISPLAY */
.token-section {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.token-section h3 {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.token-value {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--color-text-primary);
    word-break: break-all;
    background: var(--color-surface-2);
    padding: var(--space-sm);
    border-radius: var(--border-radius-sm);
    max-height: 100px;
    overflow-y: auto;
}

.copy-btn {
    margin-top: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    width: auto;
}

.user-info {
    text-align: center;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.user-info .avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-cta));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 2rem;
}

.user-info .email {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* 14. FOOTER */
.main-footer {
    padding: var(--space-lg);
    text-align: center;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.main-footer p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.main-footer a {
    margin: 0 var(--space-sm);
}

/* 15. ENVIRONMENT BADGE */
.env-badge {
    position: fixed;
    bottom: var(--space-md);
    right: var(--space-md);
    background: var(--color-gold);
    color: var(--color-background);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 1000;
}

.env-badge.prod {
    display: none;
}

/* 16. RESPONSIVE */
@media (max-width: 640px) {
    .auth-card {
        padding: var(--space-lg);
    }

    .nav-container {
        padding: 0 var(--space-md);
    }
}