/* =========================================================
   CONTROL BUTTONS — Theme + Language
   ========================================================= */

.navbar__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

/* ---------- BASE CONTROL BUTTON ---------- */
.ctrl-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 16px;
    border-radius: var(--r-full);
    background: var(--surface-2);
    border: 1px solid var(--border-2);
    color: var(--text-0);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--dur-1) var(--ease),
                background var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease),
                color var(--dur-2) var(--ease);
}

.ctrl-btn:hover {
    background: var(--surface-3);
    border-color: var(--border-accent);
    box-shadow: 0 0 22px var(--accent-glow);
    transform: translateY(-2px);
}

.ctrl-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.ctrl-btn__icon {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 20px;
    height: 20px;
    color: var(--accent);
    font-size: 0.95rem;
}

/* ---------- THEME TOGGLE ---------- */
.ctrl-btn--theme {
    width: 46px;
    padding: 0;
}

.ctrl-btn--theme .ctrl-btn__icon {
    position: relative;
}

.ctrl-btn--theme .icon-moon,
.ctrl-btn--theme .icon-sun {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    transition: transform 0.5s var(--ease), opacity 0.4s var(--ease);
}

/* Dark theme (default): show moon, hide sun */
[data-theme="dark"] .ctrl-btn--theme .icon-moon,
html:not([data-theme]) .ctrl-btn--theme .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="dark"] .ctrl-btn--theme .icon-sun,
html:not([data-theme]) .ctrl-btn--theme .icon-sun {
    opacity: 0;
    transform: rotate(180deg) scale(0.5);
}

/* Light theme: show sun, hide moon */
[data-theme="light"] .ctrl-btn--theme .icon-moon {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
}

[data-theme="light"] .ctrl-btn--theme .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
    color: #f59e0b;
}

/* ---------- LANGUAGE SWITCHER ---------- */
.lang {
    position: relative;
}

.ctrl-btn--lang {
    padding: 0 14px 0 14px;
    gap: 8px;
    min-width: 88px;
    justify-content: space-between;
}

.ctrl-btn__label {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-0);
}

.ctrl-btn__caret {
    display: inline-grid;
    place-items: center;
    font-size: 0.65rem;
    color: var(--text-2);
    transition: transform var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}

.lang.is-open .ctrl-btn__caret {
    transform: rotate(180deg);
    color: var(--accent);
}

.lang.is-open .ctrl-btn--lang {
    background: var(--surface-3);
    border-color: var(--border-accent);
    box-shadow: 0 0 22px var(--accent-glow);
}

/* Dropdown */
.lang__dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 220px;
    padding: 8px;
    border-radius: var(--r-md);
    background: var(--glass-bg);
    border: 1px solid var(--border-2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.96);
    transform-origin: top right;
    transition: opacity 0.25s var(--ease),
                visibility 0.25s var(--ease),
                transform 0.3s var(--ease);
    z-index: 1200;
}

.lang.is-open .lang__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.lang__item {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 11px 12px;
    border-radius: 10px;
    background: transparent;
    border: none;
    color: var(--text-1);
    font-size: 0.88rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background var(--dur-1) var(--ease),
                color var(--dur-1) var(--ease),
                padding-left var(--dur-2) var(--ease);
}

.lang__item:hover {
    background: var(--surface-2);
    color: var(--text-0);
    padding-left: 16px;
}

.lang__item.is-active {
    background: var(--accent-soft);
    color: var(--accent);
}

.lang__item.is-active .lang__code {
    color: var(--accent);
    border-color: var(--border-accent);
    background: rgba(0, 229, 255, 0.1);
}

.lang__flag {
    font-size: 1.15rem;
    line-height: 1;
}

.lang__name {
    font-weight: 600;
}

.lang__code {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    color: var(--text-3);
    padding: 3px 7px;
    border: 1px solid var(--border-1);
    border-radius: 6px;
    background: var(--surface-1);
    transition: color var(--dur-1) var(--ease),
                border-color var(--dur-1) var(--ease),
                background var(--dur-1) var(--ease);
}

/* =========================================================
   LIGHT THEME — Full token override
   ========================================================= */
[data-theme="light"] {
    --bg-0: #f7f9fc;
    --bg-1: #eef2f8;
    --bg-2: #e6ebf3;
    --bg-3: #dde4ee;

    --surface-1: rgba(0, 0, 0, 0.02);
    --surface-2: rgba(0, 0, 0, 0.04);
    --surface-3: rgba(0, 0, 0, 0.07);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);

    --text-0: #0a0e1a;
    --text-1: #2d3650;
    --text-2: #5a6382;
    --text-3: #8a93ad;

    --border-1: rgba(0, 0, 0, 0.06);
    --border-2: rgba(0, 0, 0, 0.1);
    --border-accent: rgba(0, 119, 255, 0.35);

    --accent: #0077ff;
    --accent-2: #0055cc;
    --accent-3: #7c3aed;
    --accent-glow: rgba(0, 119, 255, 0.28);
    --accent-soft: rgba(0, 119, 255, 0.09);

    --grad-accent: linear-gradient(135deg, #0077ff 0%, #00c2ff 100%);
    --grad-accent-2: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --grad-text: linear-gradient(135deg, #0a0e1a 0%, #0077ff 50%, #7c3aed 100%);

    --shadow-sm: 0 2px 8px rgba(10, 14, 26, 0.06);
    --shadow-md: 0 8px 32px rgba(10, 14, 26, 0.08);
    --shadow-lg: 0 20px 60px rgba(10, 14, 26, 0.12);
    --shadow-glow: 0 0 40px rgba(0, 119, 255, 0.18);
}

/* Light theme surface adjustments */
[data-theme="light"] .bg-layers {
    background: var(--bg-0);
}

[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(rgba(10, 14, 26, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 14, 26, 0.05) 1px, transparent 1px);
}

[data-theme="light"] .bg-glow {
    opacity: 0.35;
    filter: blur(140px);
}

[data-theme="light"] #particles {
    opacity: 0.4;
}

[data-theme="light"] .navbar.is-scrolled {
    background: rgba(247, 249, 252, 0.75);
}

[data-theme="light"] .navbar__toggle span {
    background: var(--text-0);
}

[data-theme="light"] .menu__bg {
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(0, 119, 255, 0.1), transparent 60%),
        radial-gradient(ellipse 50% 50% at 80% 70%, rgba(124, 58, 237, 0.1), transparent 60%),
        var(--bg-0);
}

[data-theme="light"] .btn--primary {
    color: #ffffff;
    box-shadow: 0 8px 30px rgba(0, 119, 255, 0.35);
}

[data-theme="light"] .btn--primary:hover {
    box-shadow: 0 14px 44px rgba(0, 119, 255, 0.45);
}

[data-theme="light"] .btn--ghost {
    color: var(--text-0);
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .btn--ghost:hover {
    background: #ffffff;
}

[data-theme="light"] .footer {
    background: rgba(247, 249, 252, 0.7);
}

[data-theme="light"] .marquee {
    background: linear-gradient(90deg, transparent, rgba(0, 119, 255, 0.04), transparent);
}

[data-theme="light"] .quick-about__grid {
    background: linear-gradient(135deg, rgba(0, 119, 255, 0.05), rgba(124, 58, 237, 0.05));
}

[data-theme="light"] .hero__visual-card {
    box-shadow: 0 20px 60px rgba(0, 119, 255, 0.2);
}

[data-theme="light"] .project-card {
    background: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] .project-card:hover {
    box-shadow: 0 30px 70px rgba(10, 14, 26, 0.15), 0 0 40px rgba(0, 119, 255, 0.12);
}

[data-theme="light"] .lang__dropdown {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 20px 60px rgba(10, 14, 26, 0.15);
}

[data-theme="light"] .cursor {
    mix-blend-mode: normal;
}

[data-theme="light"] .cursor__dot {
    background: var(--accent);
}

[data-theme="light"] .cursor__ring {
    border-color: rgba(10, 14, 26, 0.5);
}

/* =========================================================
   RTL (Arabic)
   ========================================================= */
[dir="rtl"] .navbar__inner,
[dir="rtl"] .menu__inner,
[dir="rtl"] .hero__container,
[dir="rtl"] .footer__inner {
    direction: rtl;
}

[dir="rtl"] .navbar__brand,
[dir="rtl"] .footer__brand,
[dir="rtl"] .hero__role,
[dir="rtl"] .btn,
[dir="rtl"] .link-arrow,
[dir="rtl"] .project-card__meta,
[dir="rtl"] .project-card__link {
    direction: rtl;
}

[dir="rtl"] .btn__icon i,
[dir="rtl"] .link-arrow i,
[dir="rtl"] .project-card__link i {
    transform: scaleX(-1);
}

[dir="rtl"] .menu__link:hover,
[dir="rtl"] .menu__link.is-active {
    padding-left: 0;
    padding-right: 20px;
}

[dir="rtl"] .menu__link::before {
    left: auto;
    right: 0;
}

[dir="rtl"] .lang__dropdown {
    right: auto;
    left: 0;
    transform-origin: top left;
}

[dir="rtl"] .lang__item {
    text-align: right;
}

[dir="rtl"] .hero__scroll {
    left: auto;
    right: 50%;
    transform: translateX(50%);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 768px) {
    .navbar__actions {
        gap: 6px;
    }

    .ctrl-btn--theme {
        width: 42px;
        height: 42px;
    }

    .ctrl-btn--lang {
        min-width: 74px;
        height: 42px;
        padding: 0 10px;
    }

    .ctrl-btn__label {
        font-size: 0.72rem;
    }

    .lang__dropdown {
        min-width: 200px;
    }
}

@media (max-width: 480px) {
    .navbar__brand-text {
        display: none;
    }

    .ctrl-btn--lang {
        min-width: 62px;
        padding: 0 8px;
    }

    .ctrl-btn--lang .ctrl-btn__caret {
        display: none;
    }
}