/* ==========================================================================
   GNOME Adwaita Inspired Portfolio Styles
   ========================================================================== */

/* --- Variables & Theming --- */
:root[data-theme="light"] {
    --bg-main: #FAFAFA;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F0F0F0;
    --border-color: #D6D6D6;

    --text-main: #2E3436;
    /* GNOME Dark Gray */
    --text-secondary: #888A85;
    /* GNOME Medium Gray */

    --color-primary: #3584E4;
    /* GNOME Blue */
    --color-primary-hover: #1C71D8;
    --color-success: #4E9A06;
    /* Hacker Green (GNOME Green) */

    --header-bg: rgba(255, 255, 255, 0.85);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);

    --terminal-bg: #1E1E1E;
    /* Real terminal dark */
    --terminal-header: #2E3436;
}

:root[data-theme="dark"] {
    --bg-main: #242424;
    /* GNOME Adwaita Dark */
    --bg-surface: #303030;
    --bg-surface-hover: #3A3A3A;
    --border-color: #4A4A4A;

    --text-main: #EDEDED;
    /* GNOME Light Gray */
    --text-secondary: #9E9E9E;

    --color-primary: #78AEED;
    --color-primary-hover: #3584E4;
    --color-success: #8FF0A4;

    --header-bg: rgba(36, 36, 36, 0.85);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);

    --terminal-bg: #1E1E1E;
    --terminal-header: #151515;
}

/* --- Global Reset & Typography --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-hover);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 600px) {
    .container {
        padding: 0 1rem;
    }
}

/* --- Utilities --- */
.highlight {
    color: var(--color-primary);
    font-weight: 700;
    white-space: nowrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    /* GNOME standard border-radius is somewhat square */
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #FFFFFF !important;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-main) !important;
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-surface-hover);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    transition: background-color 0.2s, color 0.2s;
}

.icon-btn:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-main);
}

.btn-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

/* --- Layout --- */

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main) !important;
    letter-spacing: -0.5px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.0rem;
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-main);
    background-color: var(--bg-surface-hover);
}

.nav-extra {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: 1rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1rem;
}

.lang-selector {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}

.lang-btn {
    font-weight: bold;
    font-size: 0.85rem !important;
    padding: 0.3rem 0.6rem !important;
    border-radius: 50%;
    color: var(--text-secondary) !important;
}

.lang-btn.active {
    background-color: var(--color-primary);
    color: #FFFFFF !important;
}

.mobile-only {
    display: none;
}

/* Content */
.app-content {
    flex: 1;
    padding-bottom: 4rem;
}

/* Footer */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    background-color: var(--bg-surface);
    margin-top: auto;
}

.footer-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-main);
}

/* --- Home Page --- */

/* Hero */
.hero-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

/* --- Hero Photo --- */
.hero-photo-container {
    position: relative;
    width: 340px;
    height: 340px;
    margin: 0 auto;
    flex-shrink: 0;
}

/* Decorator block — GNOME blue, behind and offset */
.hero-photo-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: #3584E4;
    border-radius: 30% 70% 55% 45% / 45% 40% 60% 55%;
    transform: translate(14px, -14px) rotate(-6deg);
    z-index: 0;
    opacity: 0.85;
}

/* Decorator block — dark GNOME, behind and offset other direction */
.hero-photo-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: #4E9A06;
    border-radius: 60% 40% 30% 70% / 55% 60% 40% 45%;
    transform: translate(-10px, 12px) rotate(4deg);
    z-index: 0;
    opacity: 0.5;
}

.hero-photo-img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 38% 62% 50% 50% / 46% 38% 62% 54%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.08);
    display: block;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-socials {
    display: flex;
    gap: 1.2rem;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-main);
    transition: all 0.2s ease;
    box-shadow: var(--card-shadow);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sections */
.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.5px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
}

/* Skills Grid */
.skills-section {
    margin-bottom: 5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.skill-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
    border-color: var(--color-primary);
}

.skill-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.skill-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects Grid */
.featured-projects {
    margin-bottom: 5rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.projects-grid.full-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.project-content {
    padding: 1.5rem;
    flex: 1;
}

.project-category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.project-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--color-primary);
    /* GNOME Blue as requested */
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.project-footer {
    padding: 1.2rem 1.5rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface-hover);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tech-tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    position: relative;
    cursor: default;
}

.has-tooltip .tooltip-content {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: 140%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.3rem;
    border-radius: 10px;
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    min-width: 120px;
    max-width: 500px;
    max-height: 170px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: all 0.2s ease;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

/* Tooltip arrow */
.has-tooltip .tooltip-content::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--border-color);
}

.has-tooltip:hover .tooltip-content {
    visibility: visible;
    opacity: 1;
    bottom: 125%;
}

.tooltip-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-main);
    white-space: nowrap;
}

.project-links {
    display: flex;
    gap: 0.5rem;
}

/* --- Internal Pages --- */
.page-content {
    padding-top: 3rem;
}

.page-header {
    margin-bottom: 3rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* About Layout */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.prose h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.prose p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.prose .lead {
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 500;
}

.timeline {
    border-left: 2px solid var(--border-color);
    padding-left: 1.5rem;
    margin-top: 1.5rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--color-primary);
    border-radius: 50%;
    left: -1.5rem;
    top: 0.3rem;
    transform: translateX(-1px);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.timeline-title {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.timeline-company {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.info-card {
    padding: 1.5rem;
}

.info-card h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.info-list {
    list-style: none;
}

.info-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.education-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.education-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.edu-icon {
    font-size: 1.4rem;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.education-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.1rem;
}

.education-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

/* --- Terminal Component (Hacker Style) --- */
.terminal-window {
    background-color: var(--terminal-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid #333;
    font-family: 'Fira Code', 'Hack', 'Monospace', monospace;
    width: 100%;
}

.terminal-header {
    background-color: var(--terminal-header);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #111;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.window-controls .control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.control.close {
    background-color: #FF5F56;
}

.control.minimize {
    background-color: #FFBD2E;
}

.control.maximize {
    background-color: #27C93F;
}

.window-title {
    flex: 1;
    text-align: center;
    color: #888;
    font-size: 0.8rem;
    font-family: 'Roboto', sans-serif;
    letter-spacing: 0.5px;
    /* offset the dots flex to really center */
    padding-right: 44px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 600px) {
    .window-title {
        padding-right: 0;
        font-size: 0.7rem;
    }
}

.terminal-body {
    padding: 1.5rem;
    color: var(--color-success);
    /* Hacker Green */
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: hidden;
}

@media (max-width: 600px) {
    .terminal-body {
        padding: 1rem 0.8rem;
    }
}

.terminal-line {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.2rem;
}

.terminal-line .prompt {
    color: #888A85;
    /* GNOME Secondary Gray */
    user-select: none;
}

.terminal-line .command {
    color: #FFFFFF;
}

.terminal-line.output {
    color: var(--color-success);
    margin-bottom: 1rem;
    padding-left: 1rem;
    word-break: break-word;
}

.blinking-cursor {
    animation: blink 1s step-end infinite;
    color: var(--color-success);
}

/* --- Readable Terminal Override --- */
.terminal-body.readable-content {
    background-color: var(--bg-surface);
    color: var(--text-main);
    font-family: inherit;
    /* Use standard font instead of monospace */
    padding: 2rem;
}

/* --- Experience & Education --- */
.terminal-project-name {
    color: #78AEED;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    white-space: nowrap;
}

.terminal-ls-output {
    display: flex !important;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    padding-left: 1rem;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.experience-item {
    border-left: 2px solid #444;
    padding-left: 1.5rem;
    padding-bottom: 2rem;
    position: relative;
}

.experience-item:last-child {
    border-left: 2px solid transparent;
    padding-bottom: 0;
}

.experience-item::before {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: var(--color-primary);
    border-radius: 50%;
    left: -6px;
    top: -0.1rem;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.3rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.exp-job-title {
    font-size: 1.1rem;
    color: #FFFFFF;
    font-family: inherit;
    word-break: break-word;
    min-width: 0;
}

.exp-date {
    font-size: 0.85rem;
    color: #9E9E9E;
    font-weight: 500;
    font-family: inherit;
    white-space: nowrap;
    flex-shrink: 0;
}

.exp-company {
    display: block;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    font-family: inherit;
}

.exp-details {
    list-style: none;
    margin-bottom: 1rem;
    padding-left: 0;
    color: var(--color-success);
    /* inherit terminal green color for list items */
}

.exp-details li {
    margin-bottom: 0.4rem;
    position: relative;
    padding-left: 1.5rem;
    font-family: inherit;
}

.exp-details li::before {
    content: '❯';
    position: absolute;
    left: 0;
    color: #888A85;
    font-size: 0.8rem;
    top: 0.2rem;
}

/* --- Tech Badges --- */
.tech-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tech-badge.python {
    background-color: #3776AB;
}

.tech-badge.django {
    background-color: #092E20;
}

.tech-badge.mysql {
    background-color: #4479A1;
}

.tech-badge.docker {
    background-color: #2496ED;
}

.tech-badge.gcp {
    background-color: #4285F4;
}

.tech-badge.node {
    background-color: #339933;
}

.tech-badge.react {
    background-color: #61DAFB;
    color: #000;
}

.tech-badge.meta {
    background-color: #0668E1;
}

.tech-badge.linux {
    background-color: #FCC624;
    color: #000;
}

.tech-badge.windows {
    background-color: #0078D6;
}

.tech-badge.infra {
    background-color: #6c757d;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 3rem 2rem;
        gap: 2rem;
        grid-template-columns: 1fr;
    }

    .hero-photo-container {
        width: 220px;
        height: 220px;
        order: -1;
        /* Photo goes above the text on mobile */
    }

    .hero-subtitle {
        margin: 0 auto 2rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-socials {
        justify-content: center;
    }

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

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

    /* Mobile Nav */
    .mobile-only {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-surface);
        padding: 1.5rem;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        border-bottom: 2px solid var(--border-color);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        z-index: 99;
    }

    .main-nav.show {
        display: flex;
    }

    .nav-extra {
        margin-left: 0;
        border-left: none;
        padding-left: 0;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
        justify-content: space-between;
    }
}