/**
 * assets/css/style.css
 * Wspólne style dla systemu autoryzacji (Logowanie, Rejestracja, Reset)
 * kczarnecki.site | 2026
 */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --text: #f8fafc;
    --error: #ef4444;
    --success: #22c55e;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

/* Uniwersalny kontener dla logowania i rejestracji */
.auth-container {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); /* Wsparcie Safari */
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease;
}

h2 { 
    text-align: center; 
    margin-bottom: 1.5rem; 
    font-weight: 300; 
    letter-spacing: 1px;
}

.form-group { 
    margin-bottom: 1.2rem; 
}

label { 
    display: block; 
    margin-bottom: 0.5rem; 
    font-size: 0.85rem; 
    color: #cbd5e1; 
}

input {
    width: 100%;
    padding: 0.8rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    box-sizing: border-box;
    transition: all 0.3s ease;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
    background: rgba(0, 0, 0, 0.4);
}

/* Styl błędu walidacji pola */
.input-error {
    border-color: var(--error) !important;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15) !important;
}

button {
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-radius: 0.75rem;
    background: var(--primary);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    font-size: 1rem;
}

button:hover:not(:disabled) { 
    background: var(--primary-hover);
    transform: translateY(-1px);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Komunikaty zwrotne */
.message {
    margin-top: 1.5rem;
    padding: 0.8rem;
    border-radius: 0.75rem;
    text-align: center;
    display: none; /* Sterowane przez JS */
    font-size: 0.85rem;
    line-height: 1.4;
}

.error { 
    background: rgba(239, 68, 68, 0.15); 
    color: #fca5a5; 
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.success { 
    background: rgba(34, 197, 94, 0.15); 
    color: #86efac; 
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* Linki nawigacyjne pod formularzem */
.login-link, .register-link {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: #cbd5e1;
}

.login-link a, .register-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.login-link a:hover, .register-link a:hover {
    color: var(--accent-hover, #818cf8);
    text-decoration: underline;
}

/* Optymalizacja dla małych ekranów */
@media (max-width: 400px) {
    .auth-container {
        padding: 1.5rem;
    }
    
    h2 {
        font-size: 1.4rem;
    }
}