/* ============================================================
   110s Digital Studio — Theme System
   v2.0.0

   Dark mode via [data-theme="dark"] on <html>.
   All colours reference CSS variables from style.css.
   This file ONLY overrides variable values — no structural changes.
   ============================================================ */

/* ----------------------------------------------------------
   Dark Theme Variable Overrides
   ---------------------------------------------------------- */
[data-theme="dark"] {
    --bg:           #111111;
    --text:         #f0f0f0;
    --text-light:   #9ca3af;
    --accent:       #f9ae00;
    --accent-hover: #ffbf2e;
    --border:       #2a2a2a;
}

/* ----------------------------------------------------------
   Theme Transition (applied globally)
   ---------------------------------------------------------- */
html[data-theme],
html[data-theme] body,
html[data-theme] .ds-navbar,
html[data-theme] .ds-hero,
html[data-theme] .ds-services,
html[data-theme] .ds-footer,
html[data-theme] .ds-service-item,
html[data-theme] .ds-page-placeholder {
    transition: background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease;
}

/* ----------------------------------------------------------
   Dark: Navbar adjustments
   ---------------------------------------------------------- */
[data-theme="dark"] .ds-navbar.scrolled {
    background: rgba(17, 17, 17, 0.97);
    border-bottom-color: var(--border);
}

[data-theme="dark"] .ds-navbar .navbar-brand,
[data-theme="dark"] .ds-navbar .nav-link {
    color: var(--text);
}

[data-theme="dark"] .ds-navbar .nav-link:hover,
[data-theme="dark"] .ds-navbar .nav-link.active {
    color: var(--accent);
}

[data-theme="dark"] .navbar-toggler-icon {
    filter: invert(1);
}

[data-theme="dark"] .ds-navbar .dropdown-menu {
    background: #1a1a1a;
    border-color: var(--border);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .ds-navbar .dropdown-item {
    color: var(--text-light);
}

[data-theme="dark"] .ds-navbar .dropdown-item:hover {
    background: rgba(249, 174, 0, 0.1);
    color: var(--accent);
}

@media (max-width: 991.98px) {
    [data-theme="dark"] .ds-navbar .navbar-collapse {
        background: #1a1a1a;
        border-color: var(--border);
    }
}

/* ----------------------------------------------------------
   Dark: Hero subtle bg shift
   ---------------------------------------------------------- */
[data-theme="dark"] .ds-hero::before {
    background:
        radial-gradient(ellipse at 30% 20%, rgba(249, 174, 0, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(249, 174, 0, 0.03) 0%, transparent 50%);
}

/* ----------------------------------------------------------
   Dark: Service items
   ---------------------------------------------------------- */
[data-theme="dark"] .ds-service-item:hover {
    border-color: var(--border);
    background: rgba(249, 174, 0, 0.03);
}

/* ----------------------------------------------------------
   Dark: Buttons
   ---------------------------------------------------------- */
[data-theme="dark"] .btn-outline {
    color: var(--text);
    border-color: var(--text-light);
}

[data-theme="dark"] .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ----------------------------------------------------------
   Dark: Footer
   ---------------------------------------------------------- */
[data-theme="dark"] .ds-footer .footer-brand {
    color: var(--text);
}

/* ----------------------------------------------------------
   Theme Toggle Button
   ---------------------------------------------------------- */
.ds-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
    color: var(--text);
}

.ds-theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.ds-theme-toggle .ds-icon-sun,
.ds-theme-toggle .ds-icon-moon {
    position: absolute;
    font-size: 0.9rem;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

/* Light mode: show sun, hide moon */
[data-theme="light"] .ds-theme-toggle .ds-icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

[data-theme="light"] .ds-theme-toggle .ds-icon-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* Dark mode: show moon, hide sun */
[data-theme="dark"] .ds-theme-toggle .ds-icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .ds-theme-toggle .ds-icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

/* ----------------------------------------------------------
   Placeholder Page Styling
   ---------------------------------------------------------- */
.ds-page-placeholder {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: var(--bg);
}

.ds-page-placeholder h1 {
    margin-bottom: 1rem;
}

.ds-page-placeholder .section-label {
    margin-bottom: 1.5rem;
}

.ds-error-page {
    text-align: center;
}

.ds-error-page h1 {
    font-size: clamp(4rem, 10vw, 8rem);
    letter-spacing: -0.04em;
    opacity: 0.15;
    color: var(--accent);
}
