/* ============================================================
   Shared Theme — ใช้ร่วมกันทุกระบบ
   ============================================================ */
:root {
    --primary:       #1a3a5c;
    --primary-light: #2a5298;
    --primary-dark:  #0f2540;
    --accent:        #f59e0b;
    --accent-hover:  #d97706;
    --success:       #059669;
    --danger:        #dc2626;
    --text-light:    rgba(255,255,255,0.92);
    --text-muted-light: rgba(255,255,255,0.6);
    --font:          'Kanit', sans-serif;
    --radius:        10px;
    --shadow:        0 2px 16px rgba(0,0,0,0.15);
}

/* ---- Shared Navbar ---- */
.site-navbar {
    background: var(--primary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1040;
    font-family: var(--font);
}

.site-navbar .navbar-brand {
    color: #fff !important;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.site-navbar .navbar-brand img {
    height: 38px;
    width: 38px;
    object-fit: contain;
    background: rgba(255,255,255,0.12);
    border-radius: 6px;
    padding: 2px;
}

.site-navbar .navbar-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.15);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent);
}

.site-navbar .brand-text small {
    display: block;
    font-size: 0.65rem;
    font-weight: 300;
    color: var(--text-muted-light);
    line-height: 1;
}

.site-navbar .nav-link {
    color: var(--text-light) !important;
    font-size: 0.9rem;
    padding: 0.45rem 0.8rem !important;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.site-navbar .nav-link:hover,
.site-navbar .nav-link.active {
    background: rgba(255,255,255,0.12);
    color: #fff !important;
}

.site-navbar .nav-link.active {
    background: var(--accent);
    color: var(--primary-dark) !important;
    font-weight: 600;
}

.site-navbar .navbar-toggler {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.site-navbar .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.site-navbar .user-badge {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-radius: 20px;
    padding: 0.3rem 0.85rem;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.site-navbar .btn-logout {
    background: rgba(220,38,38,0.75);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.35rem 0.8rem;
    font-size: 0.85rem;
    text-decoration: none;
    transition: background 0.2s;
}

.site-navbar .btn-logout:hover {
    background: rgba(220,38,38,1);
    color: #fff;
}

/* ---- Navbar Action Buttons ---- */
.site-btn {
    display: inline-flex;
    align-items: center;
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.3rem 0.85rem;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.4;
}

.site-btn-accent {
    background: var(--accent);
    color: var(--primary-dark) !important;
}
.site-btn-accent:hover {
    background: var(--accent-hover);
    color: var(--primary-dark) !important;
}

.site-btn-outline {
    background: transparent;
    color: rgba(255,255,255,0.9) !important;
    border: 1px solid rgba(255,255,255,0.45);
}
.site-btn-outline:hover {
    background: rgba(255,255,255,0.12);
    color: #fff !important;
}

.site-btn-login {
    background: rgba(255,255,255,0.15);
    color: #fff !important;
    border: 1px solid rgba(255,255,255,0.5);
}
.site-btn-login:hover {
    background: rgba(255,255,255,0.25);
    color: #fff !important;
}

/* ---- Shared Footer ---- */
.site-footer {
    background: var(--primary-dark);
    color: var(--text-muted-light);
    text-align: center;
    padding: 0.9rem;
    font-family: var(--font);
    font-size: 0.8rem;
    margin-top: auto;
}

.site-footer a {
    color: var(--accent);
    text-decoration: none;
}