/* ==========================================
   WINDOWS XP - FLAVORED SKIN
   Layered on top of styles.css / case-study.css.
   Keeps the existing layout; reskins type, color, chrome.
   Toggle the page background with --xp-desktop below.
   ========================================== */

:root,
[data-theme="light"] {
    /* ----- flip this one line to compare backgrounds ----- */
    --xp-desktop: #ECE9D8;          /* XP system gray  (try #ffffff for pure white) */

    --bg-primary: var(--xp-desktop);
    --bg-secondary: #ffffff;        /* white "window" panels */
    --bg-tertiary: #f3f2ec;
    --text-primary: #1a1a1a;
    --text-secondary: #2b2b2b;
    --text-tertiary: #444444;
    --text-muted: #6a6a6a;
    --border-color: #919b9c;
    --border-subtle: #b6bcc2;
    --accent: #1c4fd6;
    --accent-hover: #0a3d91;
    --accent-light: #dce6ff;
    --accent-lighter: #eaf0ff;
    --pill-border: #9aa3ab;
    --timeline-border: #919b9c;
    --timeline-badge-border: #9aa3ab;
    --shadow: rgba(0, 0, 0, 0.18);
    --shadow-lg: rgba(0, 0, 0, 0.28);

    /* Vibrant gradient becomes the XP title-bar blue */
    --vibrant-gradient: linear-gradient(180deg, #4f9bf5 0%, #1c5fd6 100%);
    --vibrant-soft: #eaf0ff;
    --vibrant-3: #1c5fd6;
    --vibrant-4: #1c5fd6;
}

/* ---------- Type: Tahoma body, pixel display ---------- */
body,
button,
input,
.btn,
.skill-pill,
.project-tech-pill {
    font-family: Tahoma, Verdana, Geneva, "Segoe UI", sans-serif !important;
    letter-spacing: 0 !important;
}

.hero-title,
.section-title,
.hero-gradient-text,
.timeline-role,
.exp-role-title,
.project-name,
.contact-title,
.cs-title,
.cs-h2,
.module-title,
.footer-title,
.logo {
    font-family: "Pixelify Sans", Tahoma, sans-serif !important;
    letter-spacing: 0.01em !important;
}

/* ---------- Kill the modern flourishes (keep the canvas, retro-themed) ---------- */
.hero-bg {
    display: none !important;
}

.about-section,
.projects-section,
.footer {
    background: #ffffff !important;
}

.experience-section,
.skills-section,
.contact-section {
    background: var(--bg-primary) !important;
}

/* Square everything off (XP is boxy) */
.btn,
.chat-btn,
.theme-toggle,
.skills-tab,
.exp-tab,
.exp-tab-logo,
.project-tech-pill,
.skill-pill,
.skill-chip,
.timeline-badge,
.exp-badge,
.project-ribbon,
.hero-badge,
.quick-fact,
.project-card,
.contact-card,
.contact-icon,
.exp-role,
.module-card,
.cs-card,
.cs-meta,
.cs-stat,
.cs-callout,
.cs-figure img,
.profile-image,
.project-image,
.exp-stat,
.cs-table-wrap {
    border-radius: 2px !important;
}

/* ---------- Navigation = XP title bar ---------- */
.nav,
.nav.scrolled {
    background: linear-gradient(180deg, #0a5bd6 0%, #003fb0 100%) !important;
    backdrop-filter: none !important;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3) !important;
    border-bottom: 1px solid #001f6b !important;
    padding: 0.55rem 0 !important;
}

.logo,
.logo span {
    color: #ffffff !important;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.35);
}

.nav-link {
    color: #dbe7ff !important;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff !important;
    transform: none !important;
}

.nav .chat-btn {
    background: #ECE9D8 !important;
    color: #0a3d91 !important;
    border: 1px solid #002b6b !important;
    box-shadow: inset 1px 1px 0 #ffffff, inset -1px -1px 0 #aca899 !important;
}

/* ---------- Beveled buttons (the XP signature) ---------- */
.btn,
.chat-btn,
.theme-toggle,
.skills-tab,
.exp-tab {
    background: #ECE9D8 !important;
    color: #1a1a1a !important;
    border: 1px solid #003c74 !important;
    box-shadow: inset 1px 1px 0 #ffffff, inset -1px -1px 0 #aca899 !important;
    font-weight: 700 !important;
    transition: none !important;
}

.theme-toggle {
    width: auto !important;
    height: auto !important;
    padding: 0.5rem 0.9rem !important;
    font-size: 0.78rem !important;
}

.btn:hover,
.chat-btn:hover,
.theme-toggle:hover,
.skills-tab:hover,
.exp-tab:hover {
    transform: none !important;
    background: #e3f0ff !important;
    border-color: #0a3d91 !important;
}

.btn:active,
.chat-btn:active {
    box-shadow: inset -1px -1px 0 #ffffff, inset 1px 1px 0 #808080 !important;
}

/* Primary + active tabs = blue title-bar fill */
.btn-primary,
.skills-tab.active,
.exp-tab.active {
    background: linear-gradient(180deg, #4f9bf5 0%, #1c5fd6 100%) !important;
    color: #ffffff !important;
    border: 1px solid #0a3d91 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.45) !important;
}

.skills-tab.active *,
.exp-tab.active * {
    color: #ffffff !important;
}

.exp-tab.active .exp-tab-logo {
    background: rgba(255, 255, 255, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.6) !important;
}

/* ---------- Window-panel cards ---------- */
.project-card,
.contact-card,
.quick-fact,
.exp-role,
.module-card,
.cs-card,
.cs-meta,
.cs-stat,
.cs-callout,
.hero-badge,
.skills-stage,
.profile-status {
    background: #ffffff !important;
    border: 1px solid #919b9c !important;
    box-shadow: inset 1px 1px 0 #ffffff, 2px 2px 5px rgba(0, 0, 0, 0.16) !important;
}

.project-card:hover,
.contact-card:hover,
.quick-fact:hover,
.exp-role:hover,
.module-card:hover,
.cs-card:hover {
    transform: none !important;
    border-color: #1c5fd6 !important;
    box-shadow: 0 0 0 1px #1c5fd6 inset, 2px 2px 5px rgba(0, 0, 0, 0.22) !important;
}

/* Accent bars on cards -> XP blue (already via --vibrant-gradient) */
.exp-role::before,
.module-card::before,
.cs-callout::before {
    width: 4px !important;
}

/* Pills / chips: light beveled tags */
.skill-pill,
.project-tech-pill,
.skill-chip,
.timeline-badge,
.exp-badge {
    background: #f0efe8 !important;
    color: #1a1a1a !important;
    border: 1px solid #9aa3ab !important;
    box-shadow: inset 1px 1px 0 #ffffff !important;
}

.skill-chip:hover,
.skill-pill:hover {
    transform: none !important;
    background: #e3f0ff !important;
    border-color: #1c5fd6 !important;
    color: #0a3d91 !important;
    box-shadow: inset 1px 1px 0 #ffffff !important;
}

/* Contact monogram icons as little blue tiles */
.contact-icon {
    background: linear-gradient(180deg, #4f9bf5 0%, #1c5fd6 100%) !important;
    color: #ffffff !important;
    border: 1px solid #0a3d91 !important;
    font-weight: 700;
}

/* Profile + project images get a beveled frame */
.profile-image,
.project-image,
.cs-figure img {
    border: 1px solid #919b9c !important;
    box-shadow: inset 1px 1px 0 #ffffff, 2px 2px 5px rgba(0, 0, 0, 0.16) !important;
}

/* Comparison table chrome */
.cs-table thead th {
    background: linear-gradient(180deg, #4f9bf5 0%, #1c5fd6 100%) !important;
    color: #ffffff !important;
}

/* Status dot stays green (XP "online" vibe is fine) */

/* Reduce the floaty timeline-style animation feel left anywhere */
.exp-panel.active {
    animation: none !important;
}

/* ==========================================
   XP DARK MODE ("Windows Classic" dark / high-contrast)
   Activated by [data-theme="dark"]; higher specificity than
   the light hard-coded rules above, so these win.
   ========================================== */
[data-theme="dark"] {
    --xp-desktop: #1f2228;
    --bg-primary: #1f2228;
    --bg-secondary: #2e323a;
    --bg-tertiary: #3a3f47;
    --text-primary: #f1f1f1;
    --text-secondary: #d7dae0;
    --text-tertiary: #b4b9c1;
    --text-muted: #8b919b;
    --border-color: #565c66;
    --border-subtle: #474d56;
    --accent: #5ea0ff;
    --accent-hover: #8bbcff;
    --accent-light: #2a3344;
    --accent-lighter: #243047;
    --pill-border: #565c66;
    --timeline-border: #565c66;
    --timeline-badge-border: #565c66;
    --shadow: rgba(0, 0, 0, 0.55);
    --shadow-lg: rgba(0, 0, 0, 0.65);
    --vibrant-gradient: linear-gradient(180deg, #5ea0ff 0%, #2f6fe0 100%);
    --vibrant-soft: #243047;
    --vibrant-3: #5ea0ff;
    --vibrant-4: #5ea0ff;
}

[data-theme="dark"] .about-section,
[data-theme="dark"] .projects-section,
[data-theme="dark"] .footer,
[data-theme="dark"] .experience-section,
[data-theme="dark"] .skills-section,
[data-theme="dark"] .contact-section {
    background: #1f2228 !important;
}

[data-theme="dark"] .cs-hero {
    background: #26292f !important;
    border-bottom: 1px solid #565c66 !important;
}

/* Title-bar nav: deeper navy in dark */
[data-theme="dark"] .nav,
[data-theme="dark"] .nav.scrolled {
    background: linear-gradient(180deg, #0a4fb0 0%, #002b78 100%) !important;
    border-bottom: 1px solid #001233 !important;
}

/* Window-panel cards */
[data-theme="dark"] .project-card,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .quick-fact,
[data-theme="dark"] .exp-role,
[data-theme="dark"] .module-card,
[data-theme="dark"] .cs-card,
[data-theme="dark"] .cs-meta,
[data-theme="dark"] .cs-stat,
[data-theme="dark"] .cs-callout,
[data-theme="dark"] .hero-badge,
[data-theme="dark"] .skills-stage,
[data-theme="dark"] .profile-status {
    background: #2e323a !important;
    border: 1px solid #565c66 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.06), 2px 2px 5px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .contact-card:hover,
[data-theme="dark"] .quick-fact:hover,
[data-theme="dark"] .exp-role:hover,
[data-theme="dark"] .module-card:hover,
[data-theme="dark"] .cs-card:hover {
    border-color: #5ea0ff !important;
    box-shadow: 0 0 0 1px #5ea0ff inset, 2px 2px 5px rgba(0, 0, 0, 0.6) !important;
}

/* Beveled buttons (dark bevel) */
[data-theme="dark"] .btn,
[data-theme="dark"] .chat-btn,
[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .skills-tab,
[data-theme="dark"] .exp-tab {
    background: #454a52 !important;
    color: #f1f1f1 !important;
    border: 1px solid #14171b !important;
    box-shadow: inset 1px 1px 0 #5e646d, inset -1px -1px 0 #25282d !important;
}

[data-theme="dark"] .btn:hover,
[data-theme="dark"] .chat-btn:hover,
[data-theme="dark"] .theme-toggle:hover,
[data-theme="dark"] .skills-tab:hover,
[data-theme="dark"] .exp-tab:hover {
    background: #535963 !important;
    border-color: #5ea0ff !important;
}

/* Primary + active tabs keep the blue title-bar fill */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .skills-tab.active,
[data-theme="dark"] .exp-tab.active {
    background: linear-gradient(180deg, #5ea0ff 0%, #2f6fe0 100%) !important;
    color: #ffffff !important;
    border: 1px solid #0a3d91 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.4) !important;
}

[data-theme="dark"] .nav .chat-btn {
    background: #454a52 !important;
    color: #dce8ff !important;
    border: 1px solid #14171b !important;
}

/* Tags / pills */
[data-theme="dark"] .skill-pill,
[data-theme="dark"] .project-tech-pill,
[data-theme="dark"] .skill-chip,
[data-theme="dark"] .timeline-badge,
[data-theme="dark"] .exp-badge {
    background: #3a3f47 !important;
    color: #e6e6e6 !important;
    border: 1px solid #565c66 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.05) !important;
}

[data-theme="dark"] .skill-chip:hover,
[data-theme="dark"] .skill-pill:hover {
    background: #2a3344 !important;
    color: #cfe0ff !important;
    border-color: #5ea0ff !important;
}

/* Image frames */
[data-theme="dark"] .profile-image,
[data-theme="dark"] .project-image,
[data-theme="dark"] .cs-figure img {
    border: 1px solid #565c66 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.06), 2px 2px 5px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] .cs-table tbody td {
    border-color: #565c66 !important;
}

/* ==========================================
   PHOTO-VIEWER WINDOWS + RETRO IMAGE FILTER
   ========================================== */
.xp-window {
    background: #ffffff !important;
    border: 1px solid #003c74 !important;
    box-shadow: inset 1px 1px 0 #ffffff, 2px 2px 6px rgba(0, 0, 0, 0.25) !important;
    border-radius: 2px !important;
    overflow: hidden;
    padding: 0 !important;
}

.xp-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: linear-gradient(180deg, #0a5bd6 0%, #003fb0 100%);
    color: #ffffff;
    padding: 0.32rem 0.5rem;
    font-family: Tahoma, Verdana, sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
}

.xp-titlebar-name {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
}

.xp-titlebar-btns {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.xp-titlebar-btns i {
    width: 16px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ECE9D8;
    color: #000000;
    font-style: normal;
    font-size: 0.55rem;
    font-weight: 700;
    line-height: 1;
    border: 1px solid #003c74;
    box-shadow: inset 1px 1px 0 #ffffff;
}

.xp-window img {
    display: block;
    width: 100%;
    margin: 0;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.xp-window .project-caption {
    padding: 0.4rem 0.6rem;
    margin: 0;
    border-top: 1px solid #b6bcc2;
}

/* Posterized, cool-tinted "retro BMP" look */
.retro-img {
    filter: url(#retroFilter) saturate(0.92) contrast(1.05);
}

/* Profile photo window sizing */
.profile-image-container.xp-window {
    height: auto !important;
}

.profile-image-container.xp-window .profile-image {
    height: auto !important;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* Dark-mode window chrome */
[data-theme="dark"] .xp-window {
    background: #2e323a !important;
    border-color: #0a3d91 !important;
    box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.06), 2px 2px 6px rgba(0, 0, 0, 0.5) !important;
}

[data-theme="dark"] .xp-titlebar {
    background: linear-gradient(180deg, #0a4fb0 0%, #002b78 100%);
}

[data-theme="dark"] .xp-titlebar-btns i {
    background: #454a52;
    color: #f1f1f1;
    border-color: #14171b;
    box-shadow: inset 1px 1px 0 #5e646d;
}

[data-theme="dark"] .xp-window .project-caption {
    border-top-color: #565c66;
}

/* Blinking retro cursor in the footer */
.xp-cursor {
    display: inline-block;
    margin-left: 2px;
    font-weight: 700;
    color: var(--accent);
    animation: xpBlink 1s steps(1) infinite;
}

@keyframes xpBlink {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
}