/* ============================================
   S4AI AUTHENTICATION STYLES
   ============================================ */

:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006e;
    --dark-bg: #0a0e27;
    --darker-bg: #050612;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: #1a202c;
    --error: #ef4444;
    --success: #10b981;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

/* ============================================
   AUTH CONTAINER
   ============================================ */

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-box {
    background-color: rgba(10, 14, 39, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 3rem 2rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h1 {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ============================================
   FORMS
   ============================================ */

.auth-form {
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

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

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.remember-me input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: var(--secondary-color);
}

.terms-agree {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.terms-agree input[type="checkbox"] {
    width: auto;
    cursor: pointer;
    margin-top: 0.25rem;
}

.terms-agree a {
    color: var(--primary-color);
    text-decoration: none;
}

.terms-agree a:hover {
    text-decoration: underline;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.btn-full {
    width: 100%;
    padding: 0.875rem 1.5rem;
}

.btn-oauth {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 100%;
}

.btn-oauth:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

/* ============================================
   DIVIDERS
   ============================================ */

.auth-divider {
    text-align: center;
    color: var(--text-secondary);
    margin: 1.5rem 0;
    position: relative;
    font-size: 0.9rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background-color: var(--border-color);
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

/* ============================================
   OAUTH BUTTONS
   ============================================ */

.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.oauth-buttons .btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ============================================
   AUTH FOOTER
   ============================================ */

.auth-footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* ============================================
   MESSAGES
   ============================================ */

.success-message {
    display: none;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: 5px;
    padding: 1rem;
    margin-top: 1rem;
    color: var(--success);
    text-align: center;
}

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
    color: var(--error);
    text-align: center;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 480px) {
    .auth-box {
        padding: 2rem 1.5rem;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}