:root {
    /* Portfolio specific colors */
    --accent-color: #18d06b;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --card-bg: #1a1a1a;
    --border-color: #333333;
    --terminal-bg: #121212;
    --body-bg: #121212;
}

button, input, select, textarea {
    font: inherit;
    -webkit-appearance: none;
    appearance: none;
}

/* ============ Base & Layout ============ */
body {
    background-color: var(--body-bg);
    color: var(--text-primary);
    margin: 0;
    font-family: 'Courier New', monospace;
    transition: background-color 0.3s ease;
}

.portfolio-page { padding-top: 80px; }

.page {
    min-height: 100vh;
    background-color: var(--body-bg);
    color: var(--text-primary);
}

.section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--accent-color);
    text-align: center;
    margin-bottom: 3rem;
    font-weight: bold;
}

/* ============ Buttons (generic) ============ */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}
.btn-primary { background-color: var(--accent-color); color: var(--body-bg); border-color: var(--accent-color); }
.btn-primary:hover { background-color: transparent; color: var(--accent-color); border-color: var(--accent-color); }
.btn-outline { background-color: transparent; color: var(--accent-color); border-color: var(--accent-color); }
.btn-outline:hover { background-color: var(--accent-color); color: var(--body-bg); }
.btn-ghost { background-color: transparent; color: var(--text-primary); border-color: var(--border-color); }
.btn-ghost:hover { background-color: var(--border-color); color: var(--text-primary); }

/* ============ Blazor defaults ============ */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0,0,0,.2);
    display: none;
    left: 0;
    padding: .6rem 1.25rem .7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}
.blazor-error-boundary::after { content: "An error has occurred."; }

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}
.loading-progress circle {
    fill: none; stroke: #e0e0e0; stroke-width: .6rem;
    transform-origin: 50% 50%; transform: rotate(-90deg);
}
.loading-progress circle:last-child {
    stroke: #18d06b;
    stroke-dasharray: calc(3.1416 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray .05s ease-in-out;
}
.loading-progress-text { position: absolute; text-align: center; font-weight: bold; inset: calc(20vh + 3.25rem) 0 auto .2rem; }
.loading-progress-text::after { content: var(--blazor-load-percentage-text, "Loading"); color: var(--text-secondary); }

/* ============ Top Navigation ============ */
.top-nav {
    position: fixed; top: 0; left: 0; right: 0;
    background-color: rgba(18,18,18,.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000; padding: 0;
}

.nav-container {
    max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 2rem; gap: .75rem;
}

.nav-brand { font-size: 1.5rem; font-weight: bold; }
.nav-logo { color: var(--accent-color); border: 2px solid var(--accent-color); padding: .5rem; border-radius: 4px; text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link { color: var(--text-primary); text-decoration: none; transition: color .3s ease; }
.nav-link:hover { color: var(--accent-color); }

.nav-cv {
    color: var(--accent-color) !important;
    border: 1px solid var(--accent-color);
    padding: .5rem 1rem;
    border-radius: 4px;
    transition: all .3s ease;
}
.nav-cv:hover { background-color: var(--accent-color); color: var(--body-bg) !important; }

.nav-language-btn {
    background: none; border: 1px solid var(--accent-color); color: var(--accent-color);
    padding: .5rem 1rem; border-radius: 4px; font-size: .9rem; cursor: pointer; transition: all .3s ease;
    min-width: 50px;
}
.nav-language-btn:hover { background-color: var(--accent-color); color: var(--body-bg); }

/* Hamburger (hidden by default) */
.nav-toggle {
    display: none; background: none; border: 0; font-size: 1.4rem; line-height: 1;
    padding: .4rem .6rem; color: var(--text-primary); cursor: pointer;
}

/* ============ Terminal ============ */
.terminal-page { display: flex; justify-content: center; align-items: center; height: 100vh; }

.terminal {
    background-color: var(--card-bg); color: var(--text-primary);
    padding: 20px; overflow-y: auto;
    border-radius: 10px; border: 2px solid var(--accent-color);
    box-shadow: 0 5px 15px rgba(24,208,107,.1);
    display: flex; flex-direction: column; transition: all .3s ease;
}

.terminal-header {
    font-weight: bold; padding: 8px; border-bottom: 1px solid var(--accent-color);
    background-color: var(--card-bg); color: var(--accent-color);
    display: flex; justify-content: space-between; align-items: center;
    border-top-left-radius: 8px; border-top-right-radius: 8px;
}

.terminal-controls { display: flex; gap: 8px; }
.terminal-control { width: 12px; height: 12px; border-radius: 50%; cursor: pointer; }

.terminal-body { flex: 1; overflow-y: auto; padding: 10px; line-height: 1.5; margin-bottom: 10px; }
.terminal-body div { margin-bottom: 5px; word-wrap: break-word; }

.terminal-input { display: flex; align-items: center; padding: 5px; border-top: 1px solid var(--accent-color); }
.terminal-input span { margin-right: 5px; font-weight: bold; color: var(--accent-color); }
.terminal-input input { background: none; border: none; color: var(--text-primary); width: 100%; outline: none; font-size: 16px; }

/* ============ Sections ============ */
/* Intro */
.intro-section { min-height: 100vh;  box-sizing: border-box;  display: flex; align-items: center; padding: 4rem 0; border-bottom: 1px solid var(--border-color); }
.intro-container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; width: 100%; }
.intro-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; justify-items: center; }
.intro-text { max-width: 500px; }
.intro-title { font-size: 3.5rem; color: var(--accent-color); margin-bottom: .5rem; font-weight: bold; }
.intro-subtitle { font-size: 1.5rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.intro-description { font-size: 1.1rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: 2rem; }
.intro-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
/* Intro Panel */
.intro-panel { display: flex; justify-content: center; align-items: center; }
.panel {
    width: 100%; max-width: 800px;
    background-color: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.panel-tabs {
    display: flex;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--accent-color);
}
.tab {
    flex: 1; padding: 0.75rem;
    background: none; border: none;
    color: var(--text-secondary);
    cursor: pointer; transition: all 0.3s ease;
    border-right: 1px solid var(--border-color);
}
.tab:last-child { border-right: none; }
.tab.active, .tab:hover { color: var(--accent-color); background-color: rgba(24,208,107,0.1); }
.panel-body {
    height: calc(100% - 50px);
    overflow: hidden;
    display: flex; flex-direction: column;
}

/* Panel Terminal */
.panel-body .terminal {
    height: 100%; border: none; border-radius: 0;
    box-shadow: none; background-color: transparent;
    padding: 1.5rem;
}
.panel-body .terminal-body { flex: 1; overflow-y: auto; }

/* Panel CodeGen */
.panel-body .codegen {
    height: 100%; padding: 1.5rem;
    overflow-y: auto; display: flex; flex-direction: column;
}
.codegen-title { font-size: 1.4rem; margin-bottom: 0.5rem; }
.codegen-description { font-size: 0.9rem; margin-bottom: 1rem; }
.codegen-form { flex: 1; display: flex; flex-direction: column; gap: 1rem; }

/* About */
.about-content { display: grid; grid-template-columns: 2fr 1fr; gap: 4rem; align-items: start; }
.about-intro { font-size: 1.2rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: 2rem; }
.about-details { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.about-item h3 { margin-bottom: .5rem; font-size: 1.1rem; color: var(--accent-color); }
.about-item p { color: var(--text-secondary); line-height: 1.5; }
.about-item { text-align: center; }
.about-item ul { display: inline-block; text-align: left; line-height: 1.5; margin: 0; padding-left: 1.2rem; list-style: disc; color: var(--text-secondary); }
.about-stats { display: flex; flex-direction: column; gap: 2rem; }
.stat-item { text-align: center; padding: 1.5rem; border: 1px solid var(--border-color); border-radius: 8px; background-color: var(--card-bg); }
.stat-number { display: block; font-size: 2.5rem; color: var(--accent-color); font-weight: bold; margin-bottom: .5rem; }
.stat-label { color: var(--text-secondary); font-size: .9rem; }

/* Skills */
.skills-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 3rem; }
.skill-group { text-align: center; }
.skill-group-title { color: var(--accent-color); margin-bottom: 1.5rem; font-size: 1.3rem; }
.skills-chips { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; }
.skills-chip { background-color: var(--card-bg); color: var(--text-primary); padding: .5rem 1rem; border-radius: 20px; border: 1px solid var(--border-color); font-size: .9rem; transition: all .3s ease; }
.skills-chip:hover { border-color: var(--accent-color); color: var(--accent-color); }

/* Projects */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px,1fr)); gap: 2rem; }
.project-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 2rem; transition: all .3s ease; }
.project-card:hover { border-color: var(--accent-color); box-shadow: 0 4px 20px rgba(24,208,107,.1); }
.project-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.project-title { color: var(--accent-color); font-size: 1.3rem; margin: 0; flex: 1; }
.project-links { display: flex; gap: .5rem; }
.project-link { color: var(--text-primary); text-decoration: none; padding: .5rem 1rem; border: 1px solid var(--border-color); border-radius: 4px; font-size: .8rem; transition: all .3s ease; }
.project-link:hover { border-color: var(--accent-color); color: var(--accent-color); }
.project-description { color: var(--text-secondary); line-height: 1.6; margin-bottom: 1.5rem; }
.project-tech { display: flex; flex-wrap: wrap; gap: .5rem; }
.tech-tag { background-color: rgba(24,208,107,.1); color: var(--accent-color); padding: .25rem .75rem; border-radius: 12px; font-size: .8rem; border: 1px solid rgba(24,208,107,.3); }

/* Contact */
.contact-content { text-align: center; max-width: 600px; margin: 0 auto; }
.contact-intro { font-size: 1.2rem; line-height: 1.6; color: var(--text-secondary); margin-bottom: 3rem; }
.contact-buttons { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1.5rem; }
.contact-btn {
    display: flex; align-items: center; justify-content: center; gap: .75rem;
    padding: 1.5rem; background-color: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 8px; color: var(--text-primary); text-decoration: none; transition: all .3s ease;
}
.contact-btn:hover { border-color: var(--accent-color); color: var(--accent-color); transform: translateY(-2px); }
.contact-icon { font-size: 1.5rem; }
.contact-icon img { width: 24px; height: 24px; display: inline-block; }

/* NotFound Seite: Inhalt mittig */
.notfound-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
}

.notfound-wrapper h1 {
    font-size: 5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.notfound-wrapper p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.notfound-wrapper a {
    display: inline-block;
    margin-top: 1rem;
    padding: .75rem 1.5rem;
    border-radius: 4px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    transition: all .3s ease;
}

.notfound-wrapper a:hover {
    background-color: var(--accent-color);
    color: var(--body-bg);
}

/* ============ Responsive (generic) ============ */
@media (max-width: 1024px) {
    .intro-content { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .about-content { grid-template-columns: 1fr; gap: 2rem; }
    .about-details { grid-template-columns: 1fr; }
    .intro-buttons { justify-content: center; }
}

@media (max-width: 768px) {
    .intro-title { font-size: 2.5rem; }
    .intro-subtitle { font-size: 1.2rem; }
    .section-title { font-size: 2rem; }
    .container { padding: 0 1rem; }
    .panel { aspect-ratio: unset; height: 400px; }
    .about-stats { flex-direction: row; justify-content: space-around; }
    .stat-item { flex: 1; margin: 0 .5rem; }
}

@media (max-width: 576px) {
    .panel { height: 350px; }
    .intro-content { gap: 2rem; }
    .codegen-form { gap: 0.75rem; }
    .form-group textarea { min-height: 60px; }
    .form-group textarea,
    .form-group select { padding: 0.5rem; }
}

@media (max-width: 480px) {
    .intro-buttons { justify-content: center; }
    .projects-grid { grid-template-columns: 1fr; }
    .contact-buttons { grid-template-columns: 1fr; }
    .about-stats { flex-direction: column; }
    .stat-item { margin: 0; }
}


.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}


.form-group label {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 0.9rem;
}

.form-group textarea,
.form-group select {
    background-color: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

.status-message {
    padding: 1rem;
    border-radius: 4px;
    text-align: center;
    font-weight: bold;
}

.status-message.success {
    background-color: rgba(24,208,107,.1);
    border: 1px solid rgba(24,208,107,.3);
    color: var(--accent-color);
}

.status-message.error {
    background-color: rgba(220,53,69,.1);
    border: 1px solid rgba(220,53,69,.3);
    color: #dc3545;
}


/* ============ Mobile Nav (collapsible) – keep at file end ============ */
@media (max-width: 768px) {
    .nav-toggle {
        display: inline-block;
        font-size: 2rem;
        padding: 0.5rem 1rem;
    }

    .nav-toggle img {
        transform: scale(0.5);
    }

    .nav-container {
        position: relative;
        padding: .75rem 1rem;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(18,18,18,.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);

        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: .5rem;

        padding: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;


        transform: translateY(-8px) scale(0.98);
        transform-origin: top right;

        transition:
                max-height .25s ease,
                opacity .2s ease,
                padding .2s ease,
                transform .18s ease;
    }

    .nav-links.open {
        padding: .5rem 1rem;
        max-height: 60vh;
        opacity: 1;
        pointer-events: auto;
        overflow-y: auto;

        transform: translateY(0) scale(1);
    }

    /* Links im Panel */
    .nav-links .nav-link,
    .nav-links .nav-cv,
    .nav-links .nav-language-btn {
        width: 80%;
        display: block;
        text-align: center;
        padding: .75rem 1rem;
        border-radius: 6px;
        margin: 0.5rem auto; /* mittig */
    }

    .nav-links .nav-cv,
    .nav-links .nav-language-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: .95rem;
        border: 1px solid var(--accent-color);
        box-sizing: border-box;
    }
}