/* ─── Flask Session Tool — Styles ─────────────────────────────── */

:root {
    --bg: #0d1117;
    --bg-surface: #161b22;
    --bg-panel: #1c2128;
    --bg-input: #0d1117;
    --border: #30363d;
    --border-focus: #58a6ff;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --text-dim: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --green-bg: #0d2818;
    --green-border: rgba(63, 185, 80, 0.3);
    --red: #f85149;
    --red-bg: #2d1214;
    --red-border: rgba(248, 81, 73, 0.3);
    --orange: #d29922;
    --purple: #bc8cff;
    --payload-color: #ff7b72;
    --timestamp-color: #d2a8ff;
    --signature-color: #7ee787;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', 'Consolas', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --radius: 8px;
    --radius-sm: 6px;
}

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

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ─── Header ──────────────────────────────────────────────────── */

header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2rem;
    text-align: center;
}

.header-content { max-width: 1400px; margin: 0 auto; }

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}

.logo-icon { font-size: 2rem; }

.logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline { color: var(--text-muted); font-size: 0.9rem; }

/* ─── Tabs ─────────────────────────────────────────────────────── */

.tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem 0;
    max-width: 1400px;
    margin: 0 auto;
}

.tab {
    padding: 0.55rem 1.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.tab:hover { color: var(--text); background: var(--bg-panel); }

.tab.active {
    background: var(--bg-panel);
    color: var(--accent);
    border-color: var(--accent);
    border-bottom: 2px solid var(--bg-panel);
    margin-bottom: -1px;
}

/* ─── Main Content ─────────────────────────────────────────────── */

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
}

.tab-content { display: none; animation: fadeIn 0.2s ease; }
.tab-content.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(3px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Verify Banner ────────────────────────────────────────────── */

.verify-banner {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.verify-banner.neutral {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.verify-banner.valid {
    background: var(--green-bg);
    border: 1px solid var(--green-border);
    color: var(--green);
}

.verify-banner.invalid {
    background: var(--red-bg);
    border: 1px solid var(--red-border);
    color: var(--red);
}

#verify-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ─── Editor Layout (jwt.io style: left | center | right) ──────── */

.editor-layout {
    display: grid;
    grid-template-columns: 1fr 200px 1fr;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 480px;
}

@media (max-width: 900px) {
    .editor-layout {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

/* ─── Editor Columns (left & right) ────────────────────────────── */

.editor-col {
    display: flex;
    flex-direction: column;
    background: var(--bg-panel);
}

.encoded-side { border-right: 1px solid var(--border); }
.decoded-side { border-left: 1px solid var(--border); }

@media (max-width: 900px) {
    .encoded-side { border-right: none; border-bottom: 1px solid var(--border); }
    .decoded-side { border-left: none; border-top: 1px solid var(--border); }
}

.col-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.col-header h2 {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.col-actions {
    display: flex;
    gap: 0.35rem;
}

.editor-textarea {
    flex: 1;
    width: 100%;
    background: var(--bg-input);
    border: none;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 1rem;
    resize: none;
    outline: none;
    line-height: 1.7;
    min-height: 380px;
}

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

.editor-textarea:focus {
    background: rgba(13, 17, 23, 0.9);
}

.encoded-textarea { color: var(--payload-color); word-break: break-all; }
.decoded-textarea { color: var(--text); }

.cookie-legend {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.72rem;
    color: var(--text-dim);
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}

.cookie-legend span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.payload-dot { background: var(--payload-color); }
.timestamp-dot { background: var(--timestamp-color); }
.signature-dot { background: var(--signature-color); }

/* ─── Editor Center Column ─────────────────────────────────────── */

.editor-center {
    background: var(--bg-surface);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

.center-block {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border);
}

.center-block:last-child { border-bottom: none; }

.center-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.editor-center input[type="text"] {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 0.5rem 0.65rem;
    outline: none;
    transition: border-color 0.2s;
}

.editor-center input[type="text"]:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.12);
}

.option-check {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    margin-bottom: 0.5rem;
}

.option-check input[type="checkbox"] {
    accent-color: var(--accent);
    width: auto;
}

.salt-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.salt-input {
    flex: 1;
    font-size: 0.75rem !important;
    padding: 0.35rem 0.5rem !important;
}

.cookie-info {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.8;
    font-family: var(--font-sans);
}

.cookie-info div {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Buttons ──────────────────────────────────────────────────── */

.btn-small {
    padding: 0.25rem 0.55rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.72rem;
    transition: all 0.2s;
}

.btn-small:hover {
    color: var(--text);
    border-color: var(--accent);
    background: rgba(88, 166, 255, 0.08);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    background: linear-gradient(135deg, #238636, #2ea043);
    border: 1px solid #2ea043;
    border-radius: var(--radius-sm);
    color: #fff;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.75rem;
    transition: all 0.2s;
    width: 100%;
    justify-content: center;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2ea043, #3fb950);
    box-shadow: 0 0 12px rgba(46, 160, 67, 0.3);
}

.btn-primary.btn-danger {
    background: linear-gradient(135deg, #b62324, #da3633);
    border-color: #da3633;
}

.btn-primary.btn-danger:hover {
    background: linear-gradient(135deg, #da3633, #f85149);
    box-shadow: 0 0 12px rgba(248, 81, 73, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.5rem;
    transition: all 0.2s;
    width: 100%;
    justify-content: center;
}

.btn-secondary:hover { border-color: var(--red); color: var(--red); }

/* ─── Brute-force tab (uses old column layout) ─────────────────── */

.columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 800px) {
    .columns { grid-template-columns: 1fr; }
}

.column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.15rem;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.panel-header h2 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

/* ─── Inputs (brute-force tab) ─────────────────────────────────── */

.panel textarea, .panel input[type="text"], .panel input[type="number"] {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.75rem;
    resize: vertical;
    transition: border-color 0.2s;
    outline: none;
}

.panel textarea { min-height: 140px; }

.panel textarea:focus, .panel input[type="text"]:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

.panel textarea::placeholder, .panel input::placeholder { color: var(--text-dim); }

/* ─── JSON syntax colors ──────────────────────────────────────── */

.json-key { color: var(--accent); }
.json-string { color: var(--green); }
.json-number { color: var(--orange); }
.json-boolean { color: var(--purple); }
.json-null { color: var(--red); }

/* ─── Wordlist options ─────────────────────────────────────────── */

.wordlist-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.wordlist-options label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.wordlist-options input[type="radio"] { accent-color: var(--accent); }

input[type="file"] {
    font-size: 0.83rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

/* ─── Brute-force results ──────────────────────────────────────── */

.brute-results {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    min-height: 120px;
    overflow: auto;
    max-height: 400px;
}

.brute-results pre {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

.found-result { text-align: center; padding: 1rem; }

.found-result .success {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 1rem;
}

.found-key {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.found-key .label { color: var(--text-muted); font-size: 0.9rem; }

.big-key {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--orange);
    background: rgba(210, 153, 34, 0.1);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.found-result .meta { color: var(--text-dim); font-size: 0.8rem; margin-top: 0.5rem; }

/* ─── Progress bar ─────────────────────────────────────────────── */

.progress-container { margin-top: 1rem; }

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--purple));
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

#brute-progress-text {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-top: 0.4rem;
    font-family: var(--font-mono);
}

/* ─── Utility ──────────────────────────────────────────────────── */

.hidden { display: none !important; }
.placeholder-text { color: var(--text-dim); font-style: italic; font-size: 0.85rem; }
.error { color: var(--red) !important; }
.warning { color: var(--orange) !important; margin-top: 0.5rem; }

/* ─── Toast ────────────────────────────────────────────────────── */

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ─── Footer ───────────────────────────────────────────────────── */

footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-dim);
    font-size: 0.78rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

footer p { margin: 0.2rem 0; }

/* ─── Scrollbar ────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }