/* ============================================
   page_login.css — Login Page Styles
   Standalone page (does not extend base.html)
   ============================================ */

html {
    height: 100%;
}

body {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* ---- Login Wrapper ---- */
.login-wrapper {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Login Card ---- */
.login-card {
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    padding: 44px 40px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

/* ---- Brand Header ---- */
.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 6px;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.login-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.login-brand .brand-accent {
    color: var(--primary-color);
}

/* ---- Login Button ---- */
.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 8px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), hsl(190, 100%, 45%));
    color: #fff;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(130, 80, 255, 0.35);
    letter-spacing: 0.2px;
}

.btn-login:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(130, 80, 255, 0.5);
}

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

/* ---- Footer ---- */
.login-footer {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---- Theme Toggle Button ---- */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* Hide the inactive icon */
.hidden {
    display: none;
}