/* JWT Debugger Visual — Emerald Green Theme */

:root {
    --primary: #00B894;
    --primary-light: #55EFC4;
    --primary-dark: #00A27A;
    --accent: #FDCB6E;
    --accent-light: #FFEAA7;
    --bg-base: #0A1A14;
    --bg-surface: #122B20;
    --bg-elevated: #1A3C2C;
    --bg-glass: rgba(18, 43, 32, 0.65);
    --text-primary: #E8F5F0;
    --text-secondary: #8CBFAB;
    --text-muted: #4E7F69;
    --border: rgba(140, 191, 171, 0.1);
    --border-active: rgba(0, 184, 148, 0.4);
    --error: #F87171;
    --success: #00B894;
    --warn: #FDCB6E;
    --red: #E17055;
    --purple: #A29BFE;
    --blue: #74B9FF;
    --radius: 12px;
    --radius-sm: 8px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 25% 15%, rgba(0, 184, 148, 0.06), transparent), radial-gradient(ellipse 40% 30% at 75% 80%, rgba(253, 203, 110, 0.04), transparent);
    pointer-events: none;
}

.app {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 20px 0 14px;
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 20px rgba(0, 184, 148, 0.15);
}

h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.mode-tabs {
    display: flex;
    gap: 4px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.mode-tab {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
}

.mode-tab:hover {
    color: var(--text-primary);
}

.mode-tab.active {
    color: var(--primary);
    background: rgba(0, 184, 148, 0.12);
}

.mode-tab:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Main */
.main {
    flex: 1;
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
}

.jwt-input {
    width: 100%;
    min-height: 80px;
    padding: 14px 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--accent-light);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    word-break: break-all;
}

.jwt-input:focus {
    border-color: var(--border-active);
}

.jwt-input::placeholder {
    color: var(--text-muted);
}

.input-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

/* Decoded Panels */
.decoded-panels {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

.decoded-card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
}

.card-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.dot-red {
    background: var(--red);
}

.dot-purple {
    background: var(--purple);
}

.dot-blue {
    background: var(--blue);
}

.decoded-code {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    user-select: text;
    min-height: 60px;
}

.header-card .decoded-code {
    color: var(--red);
}

.payload-card .decoded-code {
    color: var(--purple);
}

.sig-card .decoded-code {
    color: var(--blue);
}

/* Claims Inspector */
.claims-section {
    margin-top: 4px;
}

.claims-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
}

.claim-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    backdrop-filter: blur(8px);
}

.claim-name {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 2px;
}

.claim-value {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-primary);
    word-break: break-all;
}

.claim-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 3px;
}

/* Expiry Timeline */
.expiry-section {
    margin-top: 4px;
}

.expiry-bar-wrap {
    height: 8px;
    background: var(--bg-elevated);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    margin: 10px 0 6px;
}

.expiry-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 500ms ease;
}

.expiry-bar.valid {
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.expiry-bar.expired {
    background: linear-gradient(90deg, var(--error), #EF4444);
}

.expiry-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-muted);
}

.expiry-status {
    font-weight: 600;
}

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

.expiry-status.expired {
    color: var(--error);
}

/* Build Mode */
.build-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.build-section,
.build-output-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.build-textarea {
    width: 100%;
    min-height: 100px;
    padding: 12px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
}

.build-textarea:focus {
    border-color: var(--border-active);
}

.build-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    outline: none;
}

.build-input:focus {
    border-color: var(--border-active);
}

.jwt-output {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent-light);
    line-height: 1.7;
    word-break: break-all;
    white-space: pre-wrap;
    min-height: 120px;
    margin: 0;
    user-select: text;
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.72rem;
}

.btn-block {
    width: 100%;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    box-shadow: 0 0 14px rgba(0, 184, 148, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 0 22px rgba(0, 184, 148, 0.35);
    transform: translateY(-1px);
}

.btn-accent {
    background: rgba(253, 203, 110, 0.12);
    color: var(--accent);
    border-color: rgba(253, 203, 110, 0.25);
}

.btn-accent:hover {
    background: rgba(253, 203, 110, 0.2);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-elevated);
    color: var(--success);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid rgba(0, 184, 148, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: all 300ms ease;
    pointer-events: none;
    z-index: 100;
}

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

/* Footer */
.footer {
    padding: 14px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer p {
    font-size: 0.72rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .decoded-panels {
        grid-template-columns: 1fr;
    }

    .build-layout {
        grid-template-columns: 1fr;
    }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .app {
        padding: 0 12px;
    }

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

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(140, 191, 171, 0.2);
    border-radius: 3px;
}

::selection {
    background: rgba(0, 184, 148, 0.3);
    color: white;
}

*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}