/* =========================================================
   EXPYGEN GLOBAL LAYOUT
   ========================================================= */

.app-shell,
.page-shell,
.public-shell {
    width: min(var(--container), calc(100% - var(--container-padding)));
    margin: 0 auto;
}

.public-shell-wide {
    width: min(var(--container-wide), calc(100% - 40px));
    margin: 0 auto;
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-8) var(--space-4);
}

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

/* Reusable buttons */
.btn {
    min-height: 44px;
    padding: 0 18px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: var(--text-base);
    font-weight: 900;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #ffffff;
    background: var(--gradient-cta);
    box-shadow: var(--shadow-accent);
}

.btn-dark {
    color: #ffffff;
    background: var(--gradient-dark);
    box-shadow: var(--shadow-sm);
}

.btn-light {
    color: var(--page-text);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--page-border);
    box-shadow: var(--shadow-xs);
}

.btn-blue {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: var(--shadow-primary);
}

/* Cards */
.soft-card {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--page-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Section heading */
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    padding: 0 13px;
    border-radius: var(--radius-full);
    background: var(--accent-soft);
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: 900;
}

.section-heading {
    max-width: 860px;
    margin: 0 auto 28px;
    text-align: center;
}

.section-heading h2 {
    margin-top: 12px;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.2vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -0.06em;
    color: var(--page-text);
}

.section-heading p {
    margin: 14px auto 0;
    max-width: 720px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--page-text-soft);
}

/* Old navbar fallback */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-6);
    background: var(--page-surface);
    border-bottom: 1px solid var(--page-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-brand);
    color: #fff;
    border-radius: 13px;
    display: grid;
    place-items: center;
    font-weight: 900;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: var(--text-lg);
    color: var(--page-text);
    letter-spacing: -0.04em;
}

.nav-links {
    display: flex;
    gap: var(--space-2);
}

.nav-links a {
    min-height: 38px;
    padding: 0 var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-md);
    font-weight: 800;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.nav-links a.login {
    color: var(--page-text-soft);
}

.nav-links a.login:hover {
    background: var(--gray-100);
    color: var(--page-text);
}

.nav-links a.register {
    background: var(--gradient-cta);
    color: #ffffff;
    box-shadow: var(--shadow-accent);
}

/* Old footer fallback */
.footer {
    margin-top: auto;
    background: var(--page-surface);
    border-top: 1px solid var(--page-border);
    padding: var(--space-6);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-links {
    display: flex;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.footer-bottom {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
    border-top: 1px solid var(--page-border);
    text-align: center;
    font-size: var(--text-xs);
    color: var(--page-muted);
}

.heart {
    color: var(--danger);
}

/* Dark mode helpers */
:root[data-theme="dark"] .soft-card,
:root[data-theme="dark"] .btn-light {
    background: rgba(17, 24, 39, 0.78);
    border-color: var(--page-border);
}

:root[data-theme="dark"] .btn-light {
    color: var(--page-text);
}

/* Responsive */
@media (max-width: 920px) {
    :root {
        --container-padding: 32px;
    }

    .section-heading {
        margin-bottom: 22px;
    }
}

@media (max-width: 640px) {
    :root {
        --container-padding: 24px;
    }

    .public-shell-wide {
        width: min(100% - 24px, var(--container-wide));
    }

    .main-content {
        padding: var(--space-6) var(--space-3);
    }

    .navbar {
        flex-direction: column;
        gap: var(--space-3);
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }

    .nav-links a {
        flex: 1;
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}