@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700&family=Space+Mono:wght@400;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #050505;
    --bg-light: #0e0e0e;
    --text: #f5f5f5;
    --text-dim: #9a9a9a;
    --text-bright: #ffffff;
    --border: #1c1c1c;
    --accent: #3fe06a;
    --accent-soft: rgba(63, 224, 106, 0.12);
    --accent-strong: #2fcb5d;
    --font-sans: 'Sora', sans-serif;
    --font-mono: 'Space Mono', monospace;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

/* Matrix rain background */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.03;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255,255,255,0.03) 2px,
            rgba(255,255,255,0.03) 4px
        );
}

/* Screens */
.screen {
    display: none;
    min-height: 100vh;
    width: 100%;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Landing Page */
#landing {
    padding: 0;
    cursor: default;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.92)),
        url('particles.gif') center/cover no-repeat;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.08), transparent 45%);
    mix-blend-mode: screen;
    opacity: 0.6;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding: 0 6vw;
}

.hero-logo {
    width: min(420px, 70vw);
    filter: invert(1) brightness(1.05);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-btn,
.ghost-btn {
    border-radius: 0;
    padding: 10px 18px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    font-family: var(--font-sans);
    appearance: none;
}

.cta-btn {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--accent);
    box-shadow: none;
}

.cta-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(63, 224, 106, 0.18);
}

.ghost-btn {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    text-decoration: none;
}

.ghost-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.scroll-hint {
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-dim);
    position: relative;
}

.scroll-hint::after {
    content: '';
    display: block;
    width: 1px;
    height: 36px;
    margin: 12px auto 0;
    background: linear-gradient(180deg, var(--accent), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(6px); }
}

/* Portfolio */
.portfolio {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(180deg, #070707, #020202);
    padding: 90px 6vw;
}

.portfolio-inner {
    width: min(1100px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.portfolio-header h2 {
    font-size: clamp(32px, 4vw, 52px);
    letter-spacing: 1px;
    margin-top: 8px;
}

.eyebrow {
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
}

.subtitle {
    margin-top: 16px;
    color: var(--text-dim);
    max-width: 420px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}

.portfolio-card {
    border: 1px solid var(--border);
    padding: 24px;
    background: rgba(6, 6, 6, 0.7);
    box-shadow: inset 0 0 0 1px rgba(83, 255, 127, 0.06);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.portfolio-card h3 {
    font-size: 18px;
    letter-spacing: 1px;
}

.portfolio-card a {
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.portfolio-card a:hover {
    color: var(--accent-strong);
}

.portfolio-card p {
    color: var(--text-dim);
    font-size: 13px;
}

.portfolio-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.portfolio-actions {
    display: flex;
    justify-content: flex-start;
}

@media (max-width: 720px) {
    .hero-content {
        gap: 22px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-btn,
    .ghost-btn {
        width: 100%;
        text-align: center;
    }

    .portfolio {
        padding: 70px 6vw;
    }

    .portfolio-header h2 {
        font-size: 32px;
    }

    .auth-card {
        padding: 28px;
    }

    .auth-header {
        flex-direction: column;
        text-align: center;
    }

    .auth-logo {
        width: 96px;
    }

    .dash-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .dashboard-shell {
        padding: 50px 6vw;
    }

    .dash-actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* Header logo */
.header-logo {
    width: 120px;
    filter: invert(1);
    opacity: 0.5;
}

/* Login */
#login.screen.active {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 6vw;
}

.auth-shell {
    width: min(920px, 100%);
}

.auth-card {
    border: 1px solid var(--border);
    background: #0a0a0a;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
    padding: 42px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    border-radius: 0;
}

.auth-header {
    display: flex;
    align-items: center;
    gap: 24px;
}

.auth-logo {
    width: 120px;
    filter: invert(1);
}

.auth-header h1 {
    font-size: clamp(26px, 4vw, 40px);
    letter-spacing: 1px;
}

.auth-header p {
    color: var(--text-dim);
    margin-top: 8px;
}

.auth-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.auth-log {
    border: 1px solid var(--border);
    background: #060606;
    padding: 18px 20px;
    border-radius: 0;
    max-height: 180px;
    overflow-y: auto;
}

.log-line {
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--text-dim);
    font-family: var(--font-mono);
}

.log-line.success {
    color: var(--accent);
}

.log-line.error {
    color: #a0a0a0;
}

/* Buttons */
.login-options {
    margin-top: 10px;
}

.terminal-btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--text);
    padding: 10px 18px;
    font-family: var(--font-sans);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 0;
}

.terminal-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(63, 224, 106, 0.16);
}

.terminal-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nostr-hint {
    margin-top: 20px;
    font-size: 11px;
    color: var(--text-dim);
}

.status {
    margin-top: 30px;
    font-size: 13px;
}

.status.error {
    color: #888;
}

.status.success {
    color: var(--accent);
}

.status.info {
    color: var(--text-dim);
}

/* Dashboard */
#dashboard {
    overflow-y: auto;
}

.dashboard-shell {
    width: min(1250px, 100%);
    margin: 0 auto;
    padding: 40px 4vw 60px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    min-height: 100vh;
}

.dash-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #ffffff;
    padding-bottom: 20px;
}

.dash-brand {
    display: flex;
    align-items: center;
    gap: 18px;
}

.brand-logo {
    width: 68px;
    filter: invert(1);
    opacity: 0.8;
}

.dash-title {
    font-size: 20px;
    letter-spacing: 1px;
}

.dash-sub {
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 6px;
}

.dash-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.profile-photo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #3fe06a;
    box-shadow: 0 0 0 1px #3fe06a, 0 10px 24px rgba(0, 0, 0, 0.4);
    object-fit: cover;
    filter: grayscale(100%);
}

.dim {
    color: var(--text-dim);
}

.tool-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    width: 100%;
    background: rgba(10, 10, 10, 0.85);
    border: 1px solid #ffffff;
    border-radius: 0;
    padding: 14px 16px;
}

.tool-item {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px 14px;
    border-radius: 0;
    cursor: pointer;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.2s ease;
}

.tool-item.active {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: inset 0 0 0 1px rgba(63, 224, 106, 0.25);
}

.tool-item:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Upload */
.upload-section {
    margin: 40px 0;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 0;
    background: #0a0a0a;
}

.upload-section h3 {
    margin-bottom: 15px;
    color: var(--text);
    font-weight: normal;
    font-size: 13px;
    letter-spacing: 1px;
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.upload-status {
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-dim);
}

/* Gallery */
.gallery-section {
    margin-top: 40px;
}

.gallery-section h3 {
    margin-bottom: 25px;
    color: var(--text);
    font-weight: normal;
    font-size: 13px;
    letter-spacing: 1px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.gallery-section h3.collapsible {
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}

.gallery-section h3.collapsible:hover {
    color: var(--text-bright);
}

.gallery-section h3.collapsible #gallery-toggle {
    color: var(--accent);
    margin-right: 8px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-light);
    cursor: pointer;
    transition: border-color 0.2s;
}

.gallery-item:hover {
    border-color: var(--text-dim);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.gallery-item:hover img {
    filter: grayscale(0%);
}

.gallery-item .delete-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--bg);
    color: var(--text-dim);
    border: 1px solid var(--border);
    width: 24px;
    height: 24px;
    font-size: 14px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    font-family: var(--font-mono);
}

.gallery-item:hover .delete-btn {
    opacity: 1;
}

.gallery-item .delete-btn:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.gallery-empty {
    color: var(--text-dim);
    text-align: center;
    padding: 60px 20px;
    border: 1px dashed var(--border);
    font-size: 13px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: var(--text-dim);
    font-size: 24px;
    cursor: pointer;
    font-family: 'Space Mono', monospace;
    transition: color 0.2s;
}

.lightbox-close:hover {
    color: var(--text);
}

/* Action buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

/* Tool Panels */
.tool-panel {
    display: none;
    border: 1px solid #ffffff;
    border-radius: 0;
    background: rgba(8, 8, 8, 0.85);
    padding: 34px;
    min-height: 60vh;
}

.tool-panel.active {
    display: block;
}

.btc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btc-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.tool-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px 12px;
    border-radius: 0;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tool-toggle.active {
    border-color: var(--accent);
    color: var(--accent);
}

.btc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.btc-stat {
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 18px;
    background: rgba(6, 6, 6, 0.9);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btc-stat span {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-dim);
}

.btc-stat strong {
    font-size: 22px;
    letter-spacing: 1px;
}

#btc-change.positive {
    color: var(--accent);
}

#btc-change.negative {
    color: #e46a6a;
}

.btc-chart-wrap {
    margin-top: 26px;
    border: 1px solid var(--border);
    border-radius: 0;
    padding: 18px;
    background: rgba(6, 6, 6, 0.85);
}

.btc-chart-wrap canvas {
    display: block;
    width: 100%;
}

.tool-content {
    margin-top: 20px;
}

.line.dim {
    color: var(--text-dim);
    font-size: 12px;
    margin-bottom: 15px;
}

/* Password Generator */
.pass-options {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.pass-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dim);
    font-size: 13px;
    cursor: pointer;
}

.pass-options input[type="checkbox"] {
    accent-color: var(--text);
}

.pass-length {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-dim);
}

.pass-length input {
    width: 60px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 5px 10px;
    font-family: inherit;
    font-size: 13px;
}

.pass-output {
    background: #0b0b0b;
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 0;
    margin-bottom: 20px;
    word-break: break-all;
}

.pass-output code {
    color: var(--text-bright);
    font-size: 16px;
    letter-spacing: 1px;
}

.pass-buttons {
    display: flex;
    gap: 10px;
}

/* Tool Inputs */
.tool-textarea {
    width: 100%;
    min-height: 100px;
    background: #070707;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 15px;
    font-family: var(--font-mono);
    font-size: 13px;
    border-radius: 0;
    resize: vertical;
    margin-bottom: 15px;
}

.tool-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.tool-input {
    width: 100%;
    background: #070707;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 15px;
    font-family: var(--font-mono);
    font-size: 13px;
    border-radius: 0;
    margin-bottom: 15px;
}

.tool-input:focus {
    outline: none;
    border-color: var(--accent);
}

.tool-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

/* Hash Results */
.hash-results {
    margin-top: 20px;
}

.hash-row {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 12px;
}

.hash-row span {
    color: var(--text-dim);
    width: 70px;
    flex-shrink: 0;
}

.hash-row code {
    color: var(--text);
    word-break: break-all;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* Selection */
::selection {
    background: var(--text);
    color: var(--bg);
}