/* ================================================
   Warm Amber / Gold Constellation Theme
   Unique portfolio design for Mrunal Meshram
   ================================================ */

/* CSS Variables */
:root {
    --amber: #f0a500;
    --amber-light: #ffd166;
    --amber-dim: #be8200;
    --copper: #d47734;
    --ivory: #faf3e0;
    --ivory-muted: #c8bfa8;
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #e8e0d0;
    --text-secondary: #9d9585;
    --text-muted: #6b6358;
    --border: rgba(240, 165, 0, 0.12);
    --border-hover: rgba(240, 165, 0, 0.3);
    --glow: rgba(240, 165, 0, 0.15);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--amber);
    color: var(--bg-primary);
}

/* Noise overlay */
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===================== NAVIGATION ===================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(10, 10, 15, 0.85);
    border-bottom: 1px solid transparent;
}

#navbar.scrolled {
    padding: 0.6rem 0;
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo-dot {
    color: var(--amber);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--amber);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--amber);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===================== HERO ===================== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0 2rem;
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--amber);
    border: 1px solid var(--amber-dim);
    padding: 6px 18px;
    border-radius: 99px;
    margin-bottom: 2rem;
    background: rgba(240, 165, 0, 0.06);
}

.hero-name {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -3px;
    margin-bottom: 1.5rem;
}

.hero-line {
    display: block;
}

.hero-line-outline {
    color: transparent;
    -webkit-text-stroke: 2px var(--amber);
}

.hero-role-wrapper {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--amber-light);
    margin-bottom: 1.5rem;
    min-height: 1.5em;
}

.hero-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--amber);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorBlink 0.8s steps(2) infinite;
}

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

.hero-tagline {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 99px;
    font-family: var(--font-main);
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--amber);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--amber-light);
    box-shadow: 0 0 30px rgba(240, 165, 0, 0.35);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}

.btn-ghost:hover {
    background: rgba(240, 165, 0, 0.08);
    border-color: var(--amber);
    color: var(--amber);
}

.hero-socials {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
}

.hero-socials a {
    color: var(--text-muted);
    transition: var(--transition);
    padding: 8px;
    border-radius: 50%;
}

.hero-socials a:hover {
    color: var(--amber);
    background: rgba(240, 165, 0, 0.1);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    right: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.hero-scroll span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--amber), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; height: 60px; }
    50% { opacity: 1; height: 80px; }
}

/* ===================== SECTIONS ===================== */
.section {
    padding: 7rem 0;
    position: relative;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 4rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--amber);
    font-weight: 600;
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
    margin-left: 1rem;
}

/* ===================== ABOUT ===================== */
.about-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: auto auto;
    gap: 3rem;
    align-items: start;
}

.about-image-wrapper {
    position: relative;
    grid-row: 1 / 2;
}

.about-image-frame {
    width: 260px;
    height: 300px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid var(--border);
    position: relative;
    z-index: 2;
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.8) contrast(1.05);
    transition: filter var(--transition);
}

.about-image-frame:hover .about-image {
    filter: saturate(1) contrast(1);
}

.about-image-decoration {
    position: absolute;
    top: 14px;
    left: 14px;
    width: 260px;
    height: 300px;
    border: 2px solid var(--amber-dim);
    border-radius: var(--radius);
    z-index: 1;
    opacity: 0.5;
}

.about-text {
    grid-row: 1 / 2;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    font-size: 1rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-stats {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--amber);
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================== SKILLS ===================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.skill-category-title {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--amber);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--border);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    font-size: 0.82rem;
    padding: 5px 12px;
    background: rgba(240, 165, 0, 0.06);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 99px;
    transition: var(--transition);
}

.skill-tag:hover {
    color: var(--amber);
    border-color: var(--amber-dim);
    background: rgba(240, 165, 0, 0.12);
}

/* ===================== EXPERIENCE ===================== */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--amber-dim), var(--border), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: -2.65rem;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--amber-dim);
    z-index: 2;
    transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 12px rgba(240, 165, 0, 0.4);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.timeline-item:hover .timeline-content {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.timeline-role {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--amber);
    font-weight: 500;
}

.timeline-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.timeline-location {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.timeline-points {
    list-style: none;
    margin-bottom: 1.2rem;
}

.timeline-points li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.6rem;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--amber-dim);
}

.timeline-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.timeline-tech span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 3px 10px;
    background: rgba(240, 165, 0, 0.08);
    color: var(--amber);
    border-radius: 99px;
    border: 1px solid rgba(240, 165, 0, 0.15);
}

/* ===================== EDUCATION ===================== */
.education-grid {
    display: grid;
    gap: 1.5rem;
}

.education-card {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.education-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.education-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.education-year {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--amber);
    font-weight: 600;
    white-space: nowrap;
    min-width: 110px;
    padding-top: 2px;
}

.education-details h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.education-details h4 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 4px;
}

.education-location {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ===================== PROJECTS ===================== */
.projects-filter {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 8px 20px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 99px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(240, 165, 0, 0.1);
    color: var(--amber);
    border-color: var(--amber-dim);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(240, 165, 0, 0.08);
}

.project-card.hidden {
    display: none;
}

.project-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--amber);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

.project-link-icon {
    color: var(--text-muted);
    transition: var(--transition);
    padding: 4px;
}

.project-link-icon:hover {
    color: var(--amber);
}

.project-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.project-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.2rem;
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-tech span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 3px 10px;
    background: rgba(240, 165, 0, 0.08);
    color: var(--amber);
    border-radius: 99px;
    border: 1px solid rgba(240, 165, 0, 0.15);
}

/* ===================== CONTACT ===================== */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding: 1.8rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
}

.contact-card svg {
    color: var(--amber);
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.contact-value {
    font-size: 0.88rem;
    color: var(--text-primary);
    word-break: break-word;
}

.contact-card-location {
    cursor: default;
}

/* ===================== FOOTER ===================== */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===================== SCROLL REVEAL ===================== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image-wrapper {
        justify-self: center;
    }

    .about-text {
        grid-row: auto;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline {
        padding-left: 2rem;
    }

    .timeline-marker {
        left: -1.65rem;
    }

    .timeline-header {
        flex-direction: column;
    }

    .timeline-meta {
        align-items: flex-start;
        flex-direction: row;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        border-left: 1px solid var(--border);
        transition: right var(--transition);
        z-index: 999;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero-name {
        letter-spacing: -2px;
    }

    .hero-scroll {
        display: none;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .education-card {
        flex-direction: column;
        gap: 0.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.2rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 2.5rem;
    }

    .about-image-frame {
        width: 200px;
        height: 240px;
    }

    .about-image-decoration {
        width: 200px;
        height: 240px;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .stat-item {
        padding: 1rem;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .hero-role-wrapper {
        font-size: 0.9rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================== LIGHT THEME ===================== */
[data-theme="light"] {
    --bg-primary: #f8f5f0;
    --bg-secondary: #efebe4;
    --bg-card: #ffffff;
    --bg-card-hover: #faf7f2;
    --text-primary: #1a1814;
    --text-secondary: #5c5547;
    --text-muted: #8a8074;
    --border: rgba(180, 140, 60, 0.18);
    --border-hover: rgba(180, 140, 60, 0.35);
    --glow: rgba(240, 165, 0, 0.1);
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    --amber: #c88a00;
    --amber-light: #e6a800;
    --amber-dim: #a87400;
    --ivory-muted: #6b6358;
}

[data-theme="light"] .noise-overlay {
    opacity: 0.02;
}

[data-theme="light"] #navbar {
    background: rgba(248, 245, 240, 0.9);
}

[data-theme="light"] .nav-toggle span {
    background: var(--text-primary);
}

[data-theme="light"] .hero-line-outline {
    -webkit-text-stroke-color: var(--amber);
}

[data-theme="light"] .about-image {
    filter: saturate(0.9) contrast(1);
}

[data-theme="light"] .about-image-frame {
    border-color: rgba(180, 140, 60, 0.25);
}

[data-theme="light"] .about-image-decoration {
    border-color: rgba(180, 140, 60, 0.3);
}

[data-theme="light"] .skill-tag {
    background: rgba(200, 138, 0, 0.08);
}

[data-theme="light"] .timeline-tech span,
[data-theme="light"] .project-tech span {
    background: rgba(200, 138, 0, 0.1);
    border-color: rgba(200, 138, 0, 0.2);
}

[data-theme="light"] .contact-card {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .btn-primary {
    background: var(--amber);
    color: #fff;
}

[data-theme="light"] .btn-primary:hover {
    background: var(--amber-light);
    box-shadow: 0 0 25px rgba(200, 138, 0, 0.25);
}

[data-theme="light"] .btn-ghost {
    border-color: rgba(180, 140, 60, 0.3);
    color: var(--text-primary);
}

[data-theme="light"] .btn-ghost:hover {
    background: rgba(200, 138, 0, 0.08);
    border-color: var(--amber);
}

[data-theme="light"] ::selection {
    background: var(--amber);
    color: #fff;
}

/* ===================== THEME BUBBLE ===================== */
.theme-bubble {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 9998;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid var(--border-hover);
    background: var(--bg-card);
    color: var(--amber);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    transition: var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.theme-bubble:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(240, 165, 0, 0.2);
    border-color: var(--amber);
}

.theme-bubble:active {
    transform: scale(0.95);
}

.theme-icon {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.4s ease;
}

/* Dark mode: show sun icon (click to go light) */
.theme-icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

.theme-icon-moon {
    opacity: 0;
    transform: rotate(-90deg);
}

/* Light mode: show moon icon (click to go dark) */
[data-theme="light"] .theme-icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

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

/* Bubble tail / speech detail */
.theme-bubble::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 8px;
    width: 12px;
    height: 12px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-hover);
    border-bottom: 1px solid var(--border-hover);
    transform: rotate(45deg);
    border-radius: 0 0 3px 0;
}

.theme-bubble:hover::after {
    border-color: var(--amber);
}

@media (max-width: 480px) {
    .theme-bubble {
        bottom: 1.2rem;
        left: 1.2rem;
        width: 46px;
        height: 46px;
    }
}