/**
 * Login Page Styles
 * External CSS file following coding standards
 */

/* Light theme (default) */
:root {
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --card-bg: white;
    --card-border: #dee2e6;
    --card-shadow: 0 4px 15px rgba(0,0,0,0.08);
    --btn-primary-bg: #0d6efd;
    --btn-primary-border: #0d6efd;
    --btn-primary-hover-bg: #0b5ed7;
    --btn-primary-hover-border: #0a58ca;
    --header-bg: #0d6efd;
}

/* Dark theme */
.dark-theme {
    --bg-color: #121212;
    --text-color: #e9ecef;
    --card-bg: #1e1e1e;
    --card-border: #444;
    --card-shadow: 0 4px 15px rgba(0,0,0,0.3);
    --btn-primary-bg: #0d6efd;
    --btn-primary-border: #0d6efd;
    --btn-primary-hover-bg: #0b5ed7;
    --btn-primary-hover-border: #0a58ca;
    --header-bg: #1a1a1a;
}

body {
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.login-card {
    max-width: 400px;
    width: 100%;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

.card-header {
    background-color: var(--header-bg);
    color: white;
    border: 1px solid rgba(0,0,0,0.125);
    border-radius: 10px 10px 0 0 !important;
    padding: 20px;
}

.btn-primary {
    background: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
}

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

/* OAuth Divider */
.oauth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 20px 0;
}

.oauth-divider::before,
.oauth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--card-border);
}

.oauth-divider span {
    padding: 0 15px;
    color: #6c757d;
    font-size: 14px;
    text-transform: lowercase;
}

/* OAuth Buttons */
.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid var(--card-border);
}

.btn-oauth:hover {
    text-decoration: none;
}

.oauth-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    flex-shrink: 0;
}

/* Google Button */
.btn-google {
    background-color: #fff;
    color: #3c4043;
    border-color: #dadce0;
}

.btn-google:hover {
    background-color: #f7f8f8;
    color: #3c4043;
    border-color: #d2d3d4;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.dark-theme .btn-google {
    background-color: #4285f4;
    color: #fff;
    border-color: #4285f4;
}

.dark-theme .btn-google:hover {
    background-color: #3367d6;
    border-color: #3367d6;
}

.dark-theme .btn-google .oauth-icon path {
    fill: #fff;
}

/* Apple Button */
.btn-apple {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

.btn-apple:hover {
    background-color: #333;
    color: #fff;
    border-color: #333;
}

.dark-theme .btn-apple {
    background-color: #fff;
    color: #000;
    border-color: #fff;
}

.dark-theme .btn-apple:hover {
    background-color: #e8e8e8;
    color: #000;
    border-color: #e8e8e8;
}