/* Theme tokens — loaded before main stylesheet */
:root {
    color-scheme: dark;
    --layout-width: 90%;
    --layout-max-width: 1400px;
    --nav-height: 96px;
    --footer-height: 68px;
    --page-bg: #053C4E;
    --nav-bg: #053c4e;
    --text-primary: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.72);
    --text-faint: rgba(255, 255, 255, 0.55);
    --accent: #65e3ff;
    --accent-bright: #62E3FF;
    --accent-dark: #173c4e;
    --accent-muted: rgba(98, 227, 255, 0.12);
    --border-strong: #ffffff;
    --border-subtle: rgba(98, 227, 255, 0.25);
    --border-soft: rgba(101, 227, 255, 0.18);
    --input-bg: #053c4e;
    --input-border: var(--border-strong);
    --input-placeholder-op: 0.5;
    --surface-elevated: #0a4d63;
    --surface-card: rgba(5, 60, 78, 0.22);
    --surface-card-border: rgba(101, 227, 255, 0.2);
    --surface-card-hover-bg: rgba(101, 227, 255, 0.14);
    --surface-card-hover-border: rgba(101, 227, 255, 0.42);
    --surface-card-shadow: 0 14px 36px rgba(0, 0, 0, 0.22), 0 0 20px rgba(101, 227, 255, 0.08);
    --surface-panel: rgba(101, 227, 255, 0.05);
    --surface-panel-border: rgba(101, 227, 255, 0.22);
    --surface-panel-border-soft: rgba(101, 227, 255, 0.15);
    --surface-chip: rgba(98, 227, 255, 0.15);
    --surface-chip-alt: rgba(255, 255, 255, 0.08);
    --surface-tag: rgba(101, 227, 255, 0.08);
    --surface-tag-border: rgba(101, 227, 255, 0.35);
    --glass-bg: rgba(5, 60, 78, 0.34);
    --glass-border: rgba(101, 227, 255, 0.14);
    --glass-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --footer-bg: rgba(5, 48, 62, 0.38);
    --footer-border: rgba(101, 227, 255, 0.12);
    --footer-shadow: rgba(0, 0, 0, 0.12);
    --overlay-backdrop: rgba(5, 60, 78, 0.55);
    --overlay-backdrop-strong: rgba(5, 60, 78, 0.65);
    --overlay-backdrop-heavy: rgba(5, 30, 40, 0.75);
    --shadow-elevated: 0 20px 50px rgba(0, 0, 0, 0.35);
    --shadow-popup: 0 12px 40px rgba(0, 0, 0, 0.35);
    --progress-track: rgba(101, 227, 255, 0.18);
    --progress-glow: rgba(101, 227, 255, 0.45);
    --nav-hover-bg: rgba(101, 227, 255, 0.08);
    --mesh-opacity: 0.45;
    --mesh-line: rgba(101, 227, 255, 0.16);
    --mesh-line-soft: rgba(101, 227, 255, 0.07);
    --typewriter-opacity: 0.6;
    --section-rail-idle: 0.35;
    --book-call-border: rgba(101, 227, 255, 0.55);
    --book-call-shadow: rgba(101, 227, 255, 0.35);
    --book-call-shadow-hover: rgba(101, 227, 255, 0.5);
    --bg-secondary: #12121a;
    --border-color: rgba(255, 255, 255, 0.08);
    --btn-solid-bg: #65e3ff;
    --btn-solid-text: #173c4e;
    --btn-solid-hover-bg: #173c4e;
    --btn-solid-hover-text: #65e3ff;
    --resume-bg: #62E3FF;
    --resume-text: #173c4e;
    --resume-hover-bg: #053c4e;
    --resume-hover-fg: #65e3ff;
    --explore-border: #ffffff;
    --mobile-overlay: #173c4ef2;
    --work-hover-bg: #76949e;
    --work-hover-text: #053c4e;
    --iframe-bg: #0a2a36;
    --iframe-border: #5ccbf740;
    --work-note: #b0c4cc;
    --work-note-strong: #65e3ff;
    --heading-work: #00d1ff;
    --site-link-bg: #5ccbf7;
    --site-link-text: #053c4e;
    --site-link-border: #053c4e;
    --site-link-hover-text: #5ccbf7;
    --site-link-hover-bg: #173747;
    --go-back-bg: rgba(5, 60, 78, 0.65);
    --go-back-mobile-bg: rgba(5, 60, 78, 0.75);
    --go-back-icon: #fff;
    --contact-border: #81959f30;
    --company-border: #80808021;
    --year-muted: #65e3ffb3;
    --eachwork-border: #545454;
    --tech-shadow: #202020;
    --banner-link: #19AD4A;
    --title-404: #65e3ff;
    --preloader-bg: #053C4E;
    --li-rec-bg: #1B1F23;
    --li-rec-border: rgba(255, 255, 255, 0.08);
    --li-rec-text: rgba(255, 255, 255, 0.9);
    --li-rec-muted: rgba(255, 255, 255, 0.6);
    --li-rec-shadow: rgba(0, 0, 0, 0.35);
    --li-rec-avatar-bg: #38434f;
    --li-rec-avatar-text: #ffffff;
    --li-rec-see-more: #70b5f9;
    --timeline-track: rgba(98, 227, 255, 0.35);
    --timeline-dot-idle: rgba(255, 255, 255, 0.4);
}

html[data-theme="light"] {
    color-scheme: light;
    --page-bg: #d4e4ec;
    --nav-bg: #ffffff;
    --text-primary: #051820;
    --text-muted: #334955;
    --text-faint: #4a616b;
    --accent: #005f78;
    --accent-bright: #007692;
    --accent-dark: #043544;
    --accent-muted: rgba(0, 95, 120, 0.12);
    --border-strong: #1f5566;
    --border-subtle: rgba(5, 24, 32, 0.18);
    --border-soft: rgba(5, 24, 32, 0.12);
    --input-bg: #ffffff;
    --input-border: #1a4d5c;
    --input-placeholder-op: 0.5;
    --surface-elevated: #ffffff;
    --surface-card: rgba(255, 255, 255, 0.1);
    --surface-card-border: rgba(0, 95, 120, 0.12);
    --surface-card-hover-bg: rgba(255, 255, 255, 0.18);
    --surface-card-hover-border: rgba(0, 95, 120, 0.26);
    --surface-card-shadow: 0 8px 24px rgba(5, 24, 32, 0.05), 0 0 0 1px rgba(0, 95, 120, 0.03);
    --surface-panel: #f3f9fb;
    --surface-panel-border: rgba(5, 24, 32, 0.12);
    --surface-panel-border-soft: rgba(5, 24, 32, 0.1);
    --surface-chip: rgba(0, 95, 120, 0.1);
    --surface-chip-alt: rgba(5, 24, 32, 0.06);
    --surface-tag: rgba(0, 95, 120, 0.08);
    --surface-tag-border: rgba(0, 95, 120, 0.28);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(0, 95, 120, 0.09);
    --glass-shadow: 0 4px 16px rgba(5, 24, 32, 0.03);
    --footer-bg: rgba(255, 255, 255, 0.1);
    --footer-border: rgba(0, 95, 120, 0.08);
    --footer-shadow: rgba(5, 24, 32, 0.03);
    --overlay-backdrop: rgba(5, 24, 32, 0.42);
    --overlay-backdrop-strong: rgba(5, 24, 32, 0.52);
    --overlay-backdrop-heavy: rgba(5, 24, 32, 0.58);
    --shadow-elevated: 0 16px 40px rgba(5, 24, 32, 0.14);
    --shadow-popup: 0 14px 40px rgba(5, 24, 32, 0.16);
    --progress-track: rgba(0, 95, 120, 0.18);
    --progress-glow: rgba(0, 95, 120, 0.28);
    --nav-hover-bg: rgba(0, 95, 120, 0.1);
    --mesh-opacity: 0.55;
    --mesh-line: rgba(0, 95, 120, 0.2);
    --mesh-line-soft: rgba(0, 95, 120, 0.11);
    --typewriter-opacity: 0.82;
    --section-rail-idle: 0.5;
    --book-call-border: rgba(0, 95, 120, 0.35);
    --book-call-shadow: rgba(5, 24, 32, 0.14);
    --book-call-shadow-hover: rgba(0, 95, 120, 0.22);
    --bg-secondary: #ffffff;
    --border-color: rgba(5, 24, 32, 0.1);
    --btn-solid-bg: #007692;
    --btn-solid-text: #ffffff;
    --btn-solid-hover-bg: #043544;
    --btn-solid-hover-text: #ffffff;
    --resume-bg: #007692;
    --resume-text: #ffffff;
    --resume-hover-bg: #eef7fa;
    --resume-hover-fg: #005f78;
    --explore-border: #1f5566;
    --mobile-overlay: rgba(212, 228, 236, 0.72);
    --work-hover-bg: #e8f4f8;
    --work-hover-text: #051820;
    --iframe-bg: #f6fbfc;
    --iframe-border: rgba(0, 95, 120, 0.24);
    --work-note: #334955;
    --work-note-strong: #005f78;
    --heading-work: #006580;
    --site-link-bg: #007692;
    --site-link-text: #ffffff;
    --site-link-border: #043544;
    --site-link-hover-text: #ffffff;
    --site-link-hover-bg: #043544;
    --go-back-bg: #ffffff;
    --go-back-mobile-bg: #ffffff;
    --go-back-icon: #051820;
    --contact-border: #9eb5c0;
    --company-border: #aec4ce;
    --year-muted: rgba(0, 95, 120, 0.88);
    --eachwork-border: rgba(5, 24, 32, 0.14);
    --tech-shadow: rgba(5, 24, 32, 0.2);
    --banner-link: #127032;
    --title-404: #006580;
    --preloader-bg: #d4e4ec;
    --li-rec-bg: #ffffff;
    --li-rec-border: rgba(5, 24, 32, 0.12);
    --li-rec-text: rgba(5, 24, 32, 0.92);
    --li-rec-muted: rgba(5, 24, 32, 0.62);
    --li-rec-shadow: rgba(5, 24, 32, 0.1);
    --li-rec-avatar-bg: #e4edf1;
    --li-rec-avatar-text: #334955;
    --li-rec-see-more: #0a66c2;
    --timeline-track: rgba(0, 95, 120, 0.28);
    --timeline-dot-idle: rgba(5, 24, 32, 0.38);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-left: 8px;
    padding: 0;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    vertical-align: middle;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

.theme-toggle .material-icons-outlined {
    font-size: 22px;
}

li.menu-item.theme-toggle-item {
    display: flex;
    align-items: center;
}

/* ——— Light theme component polish ——— */
html[data-theme="light"] .theme-toggle {
    background: rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-color: var(--border-subtle);
    box-shadow: 0 1px 3px rgba(5, 24, 32, 0.04);
}

html[data-theme="light"] div.eachwork {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(1.12);
    -webkit-backdrop-filter: blur(20px) saturate(1.12);
    border-color: rgba(0, 95, 120, 0.12);
    box-shadow: 0 2px 8px rgba(5, 24, 32, 0.03), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

html[data-theme="light"] div.eachwork:hover,
html[data-theme="light"] div.eachwork:focus-visible {
    background: rgba(255, 255, 255, 0.18);
}

html[data-theme="light"] .work-popup {
    background: #ffffff;
    border-color: var(--surface-card-border);
    box-shadow: var(--shadow-popup);
}

html[data-theme="light"] .work-popup .go-back {
    border: 1px solid var(--border-subtle);
    box-shadow: 0 1px 4px rgba(5, 24, 32, 0.08);
}

html[data-theme="light"] .input-row input,
html[data-theme="light"] .input-row #content {
    border: 1px solid var(--border-subtle);
    border-bottom: 2px solid var(--input-border);
    box-shadow: 0 1px 2px rgba(5, 24, 32, 0.05);
}

html[data-theme="light"] .section-rail__btn {
    opacity: var(--section-rail-idle);
}

html[data-theme="light"] .section-rail__btn.is-active,
html[data-theme="light"] .section-rail__btn:hover {
    opacity: 1;
}

html[data-theme="light"] div.m-menu.active-menu {
    border-right: 1px solid var(--border-subtle);
    box-shadow: 4px 0 24px rgba(5, 24, 32, 0.08);
}

html[data-theme="light"] #testimonials-sec .li-rec-card {
    border-color: rgba(5, 24, 32, 0.14);
}

html[data-theme="light"] .technology-tooltip {
    box-shadow: 0 4px 14px rgba(5, 24, 32, 0.12);
}

@media (max-width: 991px) {
    .theme-toggle {
        margin-left: 0;
        margin-top: 8px;
    }

    li.m-menu-item.theme-toggle-item {
        justify-content: center;
        margin-top: 12px;
    }
}