@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #ffffff;
    --secondary-color: #09090b;
    --text-color: #f4f4f5;
    --text-muted: #a1a1aa;
    --text-faint: #71717a;

    --input-bg: #18181b;
    --input-border: #27272a;
    --input-focus: #71717a;

    --button-bg: #ffffff;
    --button-text: #09090b;
    --button-hover: #e4e4e7;
    --button-secondary-bg: #27272a;
    --button-secondary-text: #ffffff;
    --button-secondary-hover: #3f3f46;

    --border-hover: #52525b;
    --error-color: #ef4444;
    --success-color: #4ade80;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 999px;

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);

    --ease: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 20px 10px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

::selection {
    background: var(--text-faint);
    color: var(--primary-color);
}

a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--ease);
    font-size: 0.9rem;
}

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

:focus-visible {
    outline: 2px solid var(--input-focus);
    outline-offset: 2px;
}

.container {
    margin: 30px auto;
    text-align: center;
    padding: 30px 20px;
    max-width: 400px;
    width: 100%;
    background-color: #0f0f12;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

header p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.message {
    color: var(--error-color);
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 15px;
    font-weight: 500;
    font-size: 0.9rem;
}

label {
    display: block;
    text-align: left;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 14px 0 6px;
}

form input,
form textarea,
form select {
    width: 90%;
    padding: 12px 16px;
    margin: 8px 0;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--text-color);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--ease);
}

form input:focus,
form textarea:focus,
form select:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 1px var(--input-focus);
}

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

.btn {
    display: inline-block;
    background-color: var(--button-bg);
    color: var(--button-text);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    transition: var(--ease);
    margin: 10px;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--button-hover);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

.btn.secondary {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
}

.btn.secondary:hover {
    background-color: var(--button-secondary-hover);
}

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

.btn-outline:hover {
    background: transparent;
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    margin: 0;
    white-space: nowrap;
}

.btn-block {
    display: block;
    width: 100%;
    margin: 10px 0 0;
}

/* Fuck F12 ;) */

@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }
    header p {
        font-size: 0.9rem;
    }
    .btn {
        width: 80%;
    }
    .btn-sm,
    .btn-block {
        width: auto;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 440px;
        margin: 40px auto;
        padding: 40px;
    }
}

@media (min-height: 700px) and (min-width: 768px) {
    body {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        padding: 0;
    }

    .container {
        margin: 0;
    }
}