/* Login page – Centific RLEaaS – matches magenta/purple design system */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #faf8fc;
    --surface: #ffffff;
    --border: #e8e4ef;
    --text: #222222;
    --text-muted: #5a5568;
    --accent: #c026d3;
    --btn-bg: linear-gradient(135deg, #ec4899 0%, #7c3aed 100%);
    --btn-bg-hover: linear-gradient(135deg, #db2777 0%, #6d28d9 100%);
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(124, 58, 237, 0.14);
    --radius: 12px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --bg: #1a1825;
    --surface: #252236;
    --border: #3e3a52;
    --text: #f3f0f9;
    --text-muted: #a8a2b8;
    --accent: #e879f9;
    --btn-bg: linear-gradient(135deg, #f472b6 0%, #a78bfa 100%);
    --btn-bg-hover: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

html { height: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color var(--transition), color var(--transition);
}

/* Subtle background accent */
.login-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 60% 40% at 20% 20%, rgba(192, 38, 211, 0.07) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 80% 80%, rgba(124, 58, 237, 0.07) 0%, transparent 70%);
}

/* ── Header ── */
.login-header {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 52px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: background-color var(--transition), border-color var(--transition);
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
}
.login-logo img { display: block; }
.login-logo-text { display: flex; align-items: baseline; gap: 0.3rem; }
.login-logo-sub { font-size: 0.75em; font-weight: 500; color: var(--accent); opacity: 0.85; }

.login-theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    font-size: 1rem;
    color: var(--text);
    line-height: 1;
    transition: border-color var(--transition), background var(--transition);
}
.login-theme-toggle:hover { background: var(--border); }

[data-theme="dark"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: none; }

/* ── Main / Card ── */
.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    transition: background-color var(--transition), border-color var(--transition);
}

.login-card-logo { margin-bottom: 1.25rem; }
.login-card-logo img { display: inline-block; }

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    line-height: 1.5;
}

/* ── SSO Button ── */
.btn-sso {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.75rem 1.25rem;
    background: var(--btn-bg);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
}
.btn-sso:hover {
    background: var(--btn-bg-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}
.btn-sso:active { transform: translateY(0); }
.btn-sso-icon { flex-shrink: 0; display: block; }

.login-note {
    margin-top: 1.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.login-note strong { color: var(--accent); font-weight: 600; }

/* ── Footer ── */
.login-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    background: var(--surface);
    transition: background-color var(--transition), border-color var(--transition);
}
.login-footer-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}
.login-footer-inner a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color var(--transition);
}
.login-footer-inner a:hover { color: var(--accent); }

/* Error message */
.login-error {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #ef4444;
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.4;
}
[data-theme="dark"] .login-error {
    background: rgba(239, 68, 68, 0.15);
}