/* ============================================
   SHARED.CSS — Common styles (MVC version)
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-stack);
}

body {
    overflow-x: hidden;
    padding-top: var(--header-offset);
    background: var(--clr-paper-alt);
    color: var(--clr-ink);
    transition: background 0.2s ease, color 0.2s ease;
}

/* ===== TOP BAR ===== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 48px;
    background: var(--clr-paper-alt);
    box-shadow: 0 1px 3px rgba(11, 17, 24, 0.06);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.logo-area:hover { opacity: 0.75; }

.logo-area img { width: 42px; height: auto; transition: transform 0.2s ease; }
.logo-area:hover img { transform: scale(1.05); }

.logo-area h2 {
    font-family: var(--font-serif);
    font-size: 17px;
    color: var(--clr-heading);
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* ===== NAV LINKS ===== */
.icons {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    text-decoration: none;
    font-family: var(--font-stack);
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--clr-ink);
    margin-left: var(--sp-4);
    padding: 8px 2px;
    position: relative;
    transition: color 0.2s ease;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 2px; right: 2px; bottom: 3px;
    height: 2px;
    background: var(--clr-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.nav-link:hover { color: var(--clr-green-dk); }
.nav-link:hover::after { transform: scaleX(1); }

/* Hamburger toggle stays icon-only — a universal, compact menu symbol */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--clr-line);
    cursor: pointer;
    color: #555;
    font-size: 18px;
    margin-left: var(--sp-3);
    padding: 10px;
    border-radius: 50%;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.icon-btn:hover {
    color: var(--clr-green-dk);
    background: var(--clr-green-soft);
    border-color: var(--clr-green);
}

.icon-btn:active { transform: scale(0.92); }

/* ===== FLAT SURFACE BASE ===== */
.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

/* ===== ALERTS ===== */
.alert {
    padding: var(--sp-3) var(--sp-4);
    border-radius: 50px;
    margin-bottom: var(--sp-4);
    font-size: var(--fs-sm);
    border-left: 4px solid transparent;
}

.alert.success {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-left: 4px solid var(--clr-success);
    color: #166534;
}

.alert.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-left: 4px solid var(--clr-error);
    color: #991b1b;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-wrap,
.mobile-menu-toggle,
.mobile-icon-menu { display: none; }

/* ===== 992px ===== */
@media (max-width: 992px) {
    .top-bar {
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: var(--sp-2) !important;
        padding: clamp(8px, 2.2vw, 12px) clamp(10px, 3vw, 18px) !important;
    }

    .top-bar .logo-area { gap: var(--sp-2) !important; min-width: 0; flex: 1 1 auto; }
    .top-bar .logo-area img { width: clamp(30px, 4.8vw, 38px) !important; height: auto; }

    .top-bar .logo-area h2 {
        font-size: clamp(0.78rem, 2.5vw, 1rem) !important;
        line-height: 1.1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: min(48vw, 220px);
    }

    .top-bar .icons {
        width: auto !important; margin-left: auto !important;
        flex-wrap: nowrap !important; justify-content: flex-end !important; gap: 2px !important;
    }

    .top-bar .nav-link {
        font-size: clamp(0.72rem, 2vw, 0.86rem) !important;
        margin-left: clamp(6px, 1.6vw, 16px) !important;
    }

    .top-bar .icon-btn {
        font-size: clamp(16px, 2.4vw, 20px) !important;
        margin-left: clamp(2px, 0.9vw, 6px) !important;
    }
}

/* ===== 768px ===== */
@media (max-width: 768px) {
    .top-bar .icons { position: relative; }
    .top-bar .icons .mobile-extra { display: none !important; }

    .mobile-menu-wrap { display: block; position: relative; }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .mobile-icon-menu {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        min-width: 180px;
        padding: var(--sp-2);
        border-radius: var(--radius-md);
        background: var(--clr-paper-alt);
        border: 1px solid var(--clr-line);
        box-shadow: var(--shadow-lg);
        z-index: 1200;
        opacity: 0;
        transform: translateY(-4px);
        transition: opacity 0.2s ease, transform 0.2s ease;
        pointer-events: none;
    }

    .mobile-icon-menu.open {
        display: block;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .mobile-icon-link {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        border: none;
        background: transparent;
        color: var(--clr-text);
        text-align: left;
        padding: 10px var(--sp-3);
        border-radius: var(--radius-sm);
        cursor: pointer;
        font-size: 14px;
        transition: background 0.2s;
    }

    .mobile-icon-link:hover { background: rgba(0, 0, 0, 0.04); }
}

/* ===== SITE FOOTER ===== */
.site-footer {
    background: var(--clr-paper);
    border-top: 1px solid var(--clr-line);
}

.footer-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: var(--sp-8) 16px var(--sp-6);
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: var(--sp-8);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-3);
}

.footer-logo img { width: 32px; height: auto; }

.footer-logo span {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    color: var(--clr-heading);
    letter-spacing: 0.5px;
}

.footer-brand p {
    color: var(--clr-ink-soft);
    font-size: 0.85rem;
    line-height: var(--lh-relaxed);
    max-width: 320px;
}

.footer-col h4 {
    font-family: var(--font-serif);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--clr-heading);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--sp-3);
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.footer-col a {
    color: var(--clr-ink-soft);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-col a:hover { color: var(--clr-green-dk); }

.footer-bottom {
    border-top: 1px solid var(--clr-line);
    padding: var(--sp-4) 16px;
    text-align: center;
}

.footer-bottom p {
    color: var(--clr-ink-soft);
    font-size: 0.78rem;
}

@media (max-width: 700px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }
}

/* ===== 420px ===== */
@media (max-width: 420px) {
    .top-bar { padding: 8px 10px !important; }
    .top-bar .logo-area h2 { font-size: 0.78rem !important; max-width: 36vw; }
    .top-bar .icon-btn { font-size: 16px !important; margin-left: 2px !important; }
}