/**
 * Zbronze Store - Twitter/X Style Theme
 * Black, White, Minimal Blue
 */

:root {
    --twitter-black: #000000;
    --twitter-white: #ffffff;
    --twitter-gray-50: #f7f9f9;
    --twitter-gray-100: #eff3f4;
    --twitter-gray-200: #e7e9ea;
    --twitter-gray-300: #cfd9de;
    --twitter-gray-400: #8b98a5;
    --twitter-gray-500: #536471;
    --twitter-gray-600: #0f1419;
    --twitter-blue: #1d9bf0;
    --twitter-blue-hover: #1a8cd8;
    --twitter-red: #f4212e;
    --twitter-green: #00ba7c;
    
    --bg-primary: var(--twitter-white);
    --bg-secondary: var(--twitter-gray-50);
    --bg-hover: var(--twitter-gray-100);
    --text-primary: var(--twitter-gray-600);
    --text-secondary: var(--twitter-gray-500);
    --text-tertiary: var(--twitter-gray-400);
    --border-color: var(--twitter-gray-200);
    --accent-color: var(--twitter-blue);
    --accent-hover: var(--twitter-blue-hover);
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: var(--twitter-black);
        --bg-secondary: var(--twitter-black);
        --bg-hover: #1d1f23;
        --text-primary: var(--twitter-gray-100);
        --text-secondary: var(--twitter-gray-400);
        --text-tertiary: var(--twitter-gray-500);
        --border-color: #2f3336;
    }
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

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

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    font-size: 0.9375rem;
    text-align: center;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--twitter-white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: var(--twitter-white);
    text-decoration: none;
}

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

.btn-secondary:hover {
    background-color: var(--bg-hover);
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.btn-outline:hover {
    background-color: var(--bg-hover);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Form Elements */
input, textarea, select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color 0.2s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
}

input::placeholder, textarea::placeholder {
    color: var(--text-tertiary);
}

label {
    display: block;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card-header {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Layout */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: 1rem;
}

.gap-8 {
    gap: 2rem;
}

/* Spacing */
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }

/* Text */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }

/* Utilities */
.hidden { display: none; }
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }

/* Loading spinner */
.spinner {
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

/* Alert messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: rgba(0, 186, 124, 0.1);
    color: var(--twitter-green);
    border: 1px solid var(--twitter-green);
}

.alert-error {
    background-color: rgba(244, 33, 46, 0.1);
    color: var(--twitter-red);
    border: 1px solid var(--twitter-red);
}

.alert-info {
    background-color: rgba(29, 155, 240, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}