:root {
    --color-bg-primary: #1a1a1a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #333333;
    --color-accent-primary: #ff5e00;
    --color-accent-secondary: #ff8a4d;
    --color-text-primary: #f5f5f5;
    --color-text-secondary: #eeeeee;
    --color-text-muted: #777777;
    --color-border: #2e2e2e;
    --color-error: #ff4d4d;
    --color-success: #4CAF50;

    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-card: 16px;
    --radius-input: 10px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-display);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Diagonal background pattern — distinct from L1's grid */
.diagonal-bg {
    position: fixed;
    inset: 0;
    background-image: repeating-linear-gradient(
        -45deg,
        rgba(255, 94, 0, 0.025) 0px,
        rgba(255, 94, 0, 0.025) 1px,
        transparent 1px,
        transparent 32px
    );
    pointer-events: none;
    z-index: 0;
}

/* Ambient glow orbs — S2 visual identity */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.glow-orb--1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 94, 0, 0.12) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation: orbDrift 12s ease-in-out infinite alternate;
}

.glow-orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 138, 77, 0.08) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation: orbDrift 16s ease-in-out infinite alternate-reverse;
}

@keyframes orbDrift {
    from { transform: translate(0, 0); }
    to   { transform: translate(40px, 30px); }
}

/* Layout */
.page-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 94, 0, 0.15);
    animation: slideDown 0.5s ease-out both;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-primary);
    filter: drop-shadow(0 0 12px rgba(255, 94, 0, 0.4));
    animation: hexRotate 8s linear infinite;
}

.brand-logo svg {
    width: 36px;
    height: 36px;
}

@keyframes hexRotate {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(255, 94, 0, 0.3)); }
    50%       { filter: drop-shadow(0 0 20px rgba(255, 94, 0, 0.7)); }
}

.brand-name {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.08em;
}

.brand-tag {
    display: inline-block;
    background: var(--color-accent-primary);
    color: #fff;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 0.3rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.brand-sub {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 2px;
}

.header-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-success);
    background: rgba(76, 175, 80, 0.06);
}

.badge-dot {
    width: 7px;
    height: 7px;
    background: var(--color-success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-success);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.4; transform: scale(0.8); }
}

/* Main two-column grid */
.main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    animation: fadeUp 0.6s ease-out 0.15s both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Cards */
.card {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.04) inset,
        0 8px 32px rgba(0, 0, 0, 0.4);
}

.card-stripe {
    height: 3px;
    background: linear-gradient(90deg,
        var(--color-accent-primary) 0%,
        var(--color-accent-secondary) 50%,
        transparent 100%);
}

.card-inner {
    padding: 1.75rem;
}

.card-title {
    margin-bottom: 1.75rem;
}

.card-title h2 {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--color-text-primary);
    letter-spacing: 0.04em;
}

.card-title p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.3rem;
}

.title-line {
    height: 1px;
    margin-top: 1rem;
    background: linear-gradient(90deg,
        rgba(255, 94, 0, 0.5),
        transparent);
}

/* Form fields */
.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.04em;
}

.req {
    font-size: 0.6rem;
    padding: 0.2rem 0.45rem;
    background: rgba(255, 94, 0, 0.15);
    color: var(--color-accent-secondary);
    border: 1px solid rgba(255, 94, 0, 0.3);
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.field-prefix-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.field-prefix {
    position: absolute;
    left: 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent-secondary);
    pointer-events: none;
    font-weight: 600;
}

.field-prefix-wrap input {
    padding-left: 2.8rem;
}

input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-input);
    color: var(--color-text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    transition: var(--transition);
    outline: none;
}

input:focus {
    border-color: var(--color-accent-primary);
    box-shadow:
        0 0 0 3px rgba(255, 94, 0, 0.12),
        0 0 16px rgba(255, 94, 0, 0.15);
    background: rgba(255, 94, 0, 0.03);
}

input::placeholder {
    color: rgba(119, 119, 119, 0.6);
}

input:invalid:not(:placeholder-shown) {
    border-color: rgba(255, 77, 77, 0.6);
}

input[readonly] {
    cursor: pointer;
}

.hint {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* Flatpickr theming */
.flatpickr-calendar {
    background: #1e1e1e !important;
    border: 1px solid rgba(255, 94, 0, 0.2) !important;
    border-radius: 12px !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6) !important;
    font-family: var(--font-mono) !important;
}

.flatpickr-months {
    background: #161616 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
    border-radius: 12px 12px 0 0 !important;
}

.flatpickr-current-month,
.flatpickr-month {
    color: var(--color-text-primary) !important;
    font-family: var(--font-mono) !important;
}

.flatpickr-weekday {
    color: var(--color-text-muted) !important;
    font-family: var(--font-mono) !important;
    font-size: 0.7rem !important;
}

.flatpickr-day {
    color: var(--color-text-primary) !important;
    border: none !important;
    font-family: var(--font-mono) !important;
    border-radius: 8px !important;
}

.flatpickr-day:hover:not(.flatpickr-disabled) {
    background: rgba(255, 94, 0, 0.12) !important;
    border-color: transparent !important;
}

.flatpickr-day.selected {
    background: var(--color-accent-primary) !important;
    color: #fff !important;
    border-color: transparent !important;
}

.flatpickr-day.today {
    border-bottom: 2px solid var(--color-accent-primary) !important;
    color: var(--color-accent-secondary) !important;
}

.flatpickr-day.disabled,
.flatpickr-day.disabled:hover {
    color: var(--color-text-muted) !important;
    opacity: 0.25 !important;
    cursor: not-allowed !important;
}

.flatpickr-monthDropdown-months,
.numInputWrapper input {
    background: #1e1e1e !important;
    color: var(--color-text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    font-family: var(--font-mono) !important;
}

.flatpickr-prev-month svg,
.flatpickr-next-month svg {
    fill: var(--color-text-muted) !important;
}

.flatpickr-prev-month:hover svg,
.flatpickr-next-month:hover svg {
    fill: var(--color-accent-primary) !important;
}

input[readonly].flatpickr-input:focus {
    border-color: var(--color-accent-primary) !important;
    box-shadow:
        0 0 0 3px rgba(255, 94, 0, 0.12),
        0 0 16px rgba(255, 94, 0, 0.15) !important;
}

/* Form actions */
.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn-submit {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.5rem;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: #fff;
    border: none;
    border-radius: var(--radius-input);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255, 94, 0, 0.25);
}

.btn-submit::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.btn-submit:hover:not(:disabled)::after {
    opacity: 1;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 28px rgba(255, 94, 0, 0.4);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transition: transform 0.25s ease;
}

.btn-submit:hover:not(:disabled) .btn-icon {
    transform: translateX(3px);
}

.btn-label {
    transition: opacity 0.2s;
}

.btn-submit.loading .btn-label,
.btn-submit.loading .btn-icon {
    opacity: 0;
}

.btn-submit.loading .btn-loader {
    opacity: 1;
}

.btn-loader {
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    opacity: 0;
    transition: opacity 0.2s;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-reset {
    padding: 0.85rem 1.25rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-input);
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.04em;
}

.btn-reset:hover {
    border-color: rgba(255, 94, 0, 0.4);
    color: var(--color-text-primary);
    background: rgba(255, 94, 0, 0.06);
}

.shortcuts-hint {
    margin-top: 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-text-muted);
}

.shortcuts-hint kbd {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-accent-secondary);
}

/* Results section */
#resultsContainer {
    min-height: 280px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    gap: 1rem;
    color: var(--color-text-muted);
}

.empty-icon svg {
    width: 52px;
    height: 52px;
    opacity: 0.25;
    animation: floatIcon 3.5s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-8px); }
}

.empty-state p {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.results-data {
    animation: fadeUp 0.4s ease-out;
}

.result-item {
    padding: 0.85rem 1rem;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    margin-bottom: 0.6rem;
    transition: var(--transition);
}

.result-item:hover {
    border-color: rgba(255, 94, 0, 0.25);
    background: rgba(255, 94, 0, 0.03);
}

.result-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.2rem;
}

.result-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-primary);
    word-break: break-all;
}

.result-json {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin-bottom: 0.6rem;
}

.result-json pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent-secondary);
    line-height: 1.6;
}

.enriched-section-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 1.25rem 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.error-message {
    padding: 1.25rem;
    background: rgba(255, 77, 77, 0.07);
    border: 1px solid rgba(255, 77, 77, 0.3);
    border-radius: 8px;
    color: var(--color-error);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25%       { transform: translateX(-8px); }
    75%       { transform: translateX(8px); }
}

/* Responsive */
@media (max-width: 960px) {
    .main {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-wrapper {
        padding: 1.25rem 1rem 2rem;
    }

    .field-row {
        grid-template-columns: 1fr;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .form-actions {
        flex-direction: column;
    }
}