/* ===== Z14 DUAL THEME SYSTEM (DARK & LIGHT) ===== */
/* DARK THEME (default) */
body[data-z14-theme="dark"],
body:not([data-z14-theme]) {
    --z14-bg: #07111f;
    --z14-bg-2: #0f1d32;
    --z14-panel: rgba(255, 255, 255, 0.08);
    --z14-panel-border: rgba(255, 255, 255, 0.12);
    --z14-text: #ecf2ff;
    --z14-muted: #a8b4c8;
    --z14-accent: #6fe7dd;
    --z14-accent-2: #ffb86b;
    --z14-success: #5fe18c;
    --z14-danger: #ff6b7a;
    --z14-navbar-bg: rgba(6, 12, 24, 0.72);
}

/* LIGHT THEME */
body[data-z14-theme="light"] {
    --z14-bg: #f8f9fb;
    --z14-bg-2: #eef1f5;
    --z14-panel: rgba(0, 0, 0, 0.04);
    --z14-panel-border: rgba(0, 0, 0, 0.08);
    --z14-text: #1a1f35;
    --z14-muted: #6b7280;
    --z14-accent: #0891b2;
    --z14-accent-2: #f97316;
    --z14-success: #16a34a;
    --z14-danger: #dc2626;
    --z14-navbar-bg: rgba(255, 255, 255, 0.96);
}

/* FORCE VISUAL DIFFERENCE BETWEEN THEMES */
body[data-z14-theme="dark"] {
    background-color: #07111f !important;
    color: #ecf2ff !important;
}

body[data-z14-theme="light"] {
    background-color: #f3f6fb !important;
    color: #1a1f35 !important;
}

/* BODY & BASE */
html, body {
    min-height: 100%;
}

body[data-z14-theme="dark"],
body:not([data-z14-theme]) {
    background:
        radial-gradient(circle at top left, rgba(111, 231, 221, 0.16), transparent 30%),
        radial-gradient(circle at top right, rgba(255, 184, 107, 0.12), transparent 26%),
        linear-gradient(160deg, var(--z14-bg) 0%, var(--z14-bg-2) 100%);
}

body[data-z14-theme="light"] {
    background:
        radial-gradient(circle at top left, rgba(8, 145, 178, 0.08), transparent 40%),
        radial-gradient(circle at top right, rgba(249, 115, 22, 0.08), transparent 40%),
        linear-gradient(160deg, var(--z14-bg) 0%, var(--z14-bg-2) 100%);
}

body {
    color: var(--z14-text);
    font-family: 'Segoe UI', 'Trebuchet MS', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Bootstrap tokens */
body[data-z14-theme="dark"],
body:not([data-z14-theme]) {
    --bs-secondary-rgb: 168, 180, 200;
}
body[data-z14-theme="light"] {
    --bs-secondary-rgb: 107, 114, 128;
}
.text-muted,
.text-body-secondary {
    color: var(--z14-muted) !important;
}

/* LINKS */
a {
    color: var(--z14-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

/* NAVBAR */
.z14-navbar {
    background: var(--z14-navbar-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--z14-panel-border);
    transition: background-color 0.3s ease;
}

body[data-z14-theme="dark"] .z14-navbar {
    background: rgba(6, 12, 24, 0.88) !important;
}

body[data-z14-theme="light"] .z14-navbar {
    background: rgba(255, 255, 255, 0.98) !important;
}
.z14-navbar .navbar-brand,
.z14-navbar .nav-link {
    color: var(--z14-text);
}
.z14-navbar .nav-link.active,
.z14-navbar .nav-link:hover {
    color: var(--z14-accent);
}
body[data-z14-theme="light"] .z14-navbar .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.18);
}
body[data-z14-theme="light"] .z14-navbar .navbar-toggler-icon {
    filter: invert(1) grayscale(100%);
}

.z14-theme-toggle {
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: inherit;
    transition: all 0.2s ease;
    font-size: 1rem;
}
.z14-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}
body[data-z14-theme="light"] .z14-theme-toggle {
    border-color: rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.05);
    color: var(--z14-text);
}

/* NAVBAR LOGOUT VISIBILITY */
.z14-navbar .btn-outline-light {
    color: var(--z14-text);
    border-color: rgba(255, 255, 255, 0.55);
    background: rgba(255, 255, 255, 0.12);
    font-weight: 600;
}

.z14-navbar .btn-outline-light:hover {
    color: #06111f;
    background: #ffffff;
    border-color: #ffffff;
}

body[data-z14-theme="light"] .z14-navbar .btn-outline-light {
    color: #ffffff;
    background: #1a1f35;
    border-color: #1a1f35;
}

body[data-z14-theme="light"] .z14-navbar .btn-outline-light:hover {
    color: #1a1f35;
    background: #ffffff;
    border-color: #1a1f35;
}

/* LAYOUT/COMPONENTS */
.z14-panel {
    background: var(--z14-panel);
    border: 1px solid var(--z14-panel-border);
    border-radius: 1.25rem;
    padding: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
    color: var(--z14-text);
    transition: all 0.3s ease;
}
.z14-course-card {
    border: 1px solid var(--z14-panel-border);
    border-radius: 1rem;
    padding: 0.85rem 0.9rem;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.z14-course-card:hover {
    transform: translateY(-2px);
}
.z14-course-title {
    font-weight: 700;
    margin-bottom: 0.2rem;
}
.z14-course-meta,
.z14-small-muted {
    color: var(--z14-muted);
    font-size: 0.88rem;
}
.z14-chip {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    padding: 0.38rem 0.7rem;
    border-radius: 999px;
    background: rgba(111, 231, 221, 0.16);
    color: var(--z14-text);
    font-size: 0.82rem;
    transition: all 0.3s ease;
}

/* AUTH PAGE */
.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
    position: relative;
}
.auth-card {
    width: min(520px, 100%);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--z14-panel-border);
    border-radius: 1.4rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
    padding: 1.5rem;
    color: var(--z14-text);
}
.auth-card .form-control,
.auth-card .form-select {
    background: rgba(255, 255, 255, 0.95);
    color: #1f2937;
}
.auth-theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* TABLES & CARDS */
.card, .table {
    background: rgba(255, 255, 255, 0.07);
    color: var(--z14-text);
    border-color: var(--z14-panel-border);
}
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--z14-text);
}

body[data-z14-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > *,
body:not([data-z14-theme]) .table-striped > tbody > tr:nth-of-type(odd) > * {
    color: #ecf2ff !important;
    background-color: rgba(255, 255, 255, 0.03) !important;
}

body[data-z14-theme="light"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    color: #1a1f35 !important;
    background-color: rgba(0, 0, 0, 0.02) !important;
}

/* STRONG LIGHT/DARK DIFFERENTIATION FOR CRM PAGES */
body[data-z14-theme="dark"] .card,
body:not([data-z14-theme]) .card,
body[data-z14-theme="dark"] .table,
body:not([data-z14-theme]) .table {
    background: rgba(255, 255, 255, 0.07) !important;
    color: #ecf2ff !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
}

body[data-z14-theme="light"] .z14-panel {
    background: #ffffff !important;
    border-color: rgba(0, 0, 0, 0.12) !important;
    color: #1a1f35 !important;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.10);
}

body[data-z14-theme="light"] .card,
body[data-z14-theme="light"] .table {
    background: #ffffff !important;
    color: #1a1f35 !important;
    border-color: rgba(0, 0, 0, 0.12) !important;
}

body[data-z14-theme="light"] .card-header,
body[data-z14-theme="light"] .table thead th {
    background: #f3f6fb !important;
    color: #1a1f35 !important;
    border-color: rgba(0, 0, 0, 0.12) !important;
}

body[data-z14-theme="light"] .form-control,
body[data-z14-theme="light"] .form-select,
body[data-z14-theme="light"] textarea {
    background: #ffffff !important;
    color: #1a1f35 !important;
    border-color: rgba(0, 0, 0, 0.22) !important;
}

body[data-z14-theme="light"] .form-control::placeholder,
body[data-z14-theme="light"] textarea::placeholder {
    color: #6b7280;
}

body[data-z14-theme="light"] .btn-outline-primary,
body[data-z14-theme="light"] .btn-outline-secondary,
body[data-z14-theme="light"] .btn-outline-danger,
body[data-z14-theme="light"] .btn-outline-success {
    border-width: 1px;
}

body[data-z14-theme="light"] .alert {
    border-color: rgba(0, 0, 0, 0.12);
}

/* Bootstrap utility override used in message bubbles */
body[data-z14-theme="dark"] .bg-light {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: #ecf2ff !important;
}

body[data-z14-theme="light"] .bg-light {
    background-color: #f8f9fa !important;
    color: #1a1f35 !important;
}