/* Login / register screens. Theme-aware via design tokens. */

.auth-body {
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4355B9 0%, #6366F1 100%);
}

.login-container {
    background: var(--surface);
    color: var(--text);
    padding: 2.5rem 2.75rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    text-align: center;
    animation: slide-up 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.login-container h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Brand header (badge + wordmark) shared across auth screens */
.auth-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.4rem;
}
.auth-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 10px 28px rgba(67,85,185,0.35);
}
.auth-brand-mark svg { width: 32px; height: 32px; }
.auth-brand-name {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-container .subtitle {
    color: var(--text-subtle);
    margin: 0.35rem 0 2rem;
    font-size: 0.9rem;
}

.login-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
}

.input-group,
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    text-align: left;
}

.input-group label,
.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.login-container input[type="text"],
.login-container input[type="email"],
.login-container input[type="password"] {
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border-strong);
    border-radius: 10px;
    font-size: 1rem;
    background: var(--surface-2);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    outline: none;
    width: 100%;
}

.login-container input:focus {
    border-color: var(--accent);
    background: var(--surface);
    box-shadow: 0 0 0 3.5px var(--accent-soft);
}

.login-container button[type="submit"] {
    margin-top: 0.5rem;
    padding: 0.85rem;
    border: none;
    border-radius: 10px;
    background: var(--accent-gradient);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(67,85,185,0.35);
    letter-spacing: 0.02em;
}

.login-container button[type="submit"]:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.error-message {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-fg);
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    font-size: 0.875rem;
    text-align: left;
}

.success-message {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info-fg);
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    font-size: 0.875rem;
    text-align: left;
}

.register-link {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-subtle);
    text-align: center;
}

.register-link a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.register-link a:hover { text-decoration: underline; }

.folder-gate-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.lock-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-soft);
    font-size: 2rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 4px 20px rgba(67,85,185,0.25);
}

.folder-gate-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.3rem;
}

.folder-gate-hint {
    font-size: 0.82rem;
    color: var(--text-subtle);
    margin: 0;
}

.folder-gate-icon {
    text-align: center;
    margin-bottom: 1.5rem;
}

.lock-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--accent-soft);
    font-size: 2rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 4px 20px rgba(67, 97, 238, 0.25);
}

.folder-gate-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.3rem;
}

.folder-gate-hint {
    font-size: 0.82rem;
    color: var(--text-subtle);
    margin: 0;
}

.info-message {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    color: var(--info-fg);
    border-radius: 8px;
    padding: 1rem 1.1rem;
    font-size: 0.9rem;
    text-align: left;
    line-height: 1.6;
    margin-bottom: 1rem;
}