:root {
    --page-bg: linear-gradient(135deg, #fff7ed 0%, #ffe4e6 45%, #f8fafc 100%);
    --panel-bg: rgba(255, 255, 255, 0.88);
    --panel-border: rgba(148, 163, 184, 0.22);
    --text-main: #1f2937;
    --text-soft: #526072;
    --accent: #ea580c;
    --accent-deep: #9a3412;
    --accent-soft: #ffedd5;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-text: #b91c1c;
    --shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
    --radius-xl: 28px;
    --radius-lg: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Aptos", "Segoe UI Variable Text", "Trebuchet MS", sans-serif;
    color: var(--text-main);
    background: var(--page-bg);
}

body::before,
body::after {
    content: "";
    position: fixed;
    border-radius: 999px;
    filter: blur(24px);
    opacity: 0.4;
    z-index: 0;
}

body::before {
    inset: 4rem auto auto 8%;
    width: 12rem;
    height: 12rem;
    background: rgba(249, 115, 22, 0.28);
}

body::after {
    inset: auto 10% 6rem auto;
    width: 18rem;
    height: 18rem;
    background: rgba(236, 72, 153, 0.18);
}

main {
    position: relative;
    z-index: 1;
}

.auth-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

.auth-shell,
.dashboard-shell {
    width: min(1120px, calc(100% - 2rem));
    margin: 2rem auto;
}

.auth-panel,
.panel,
.hero-card,
.request-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.auth-panel {
    padding: 2.5rem;
}

.auth-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 1.5rem;
    align-items: start;
}

.hero-card {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    align-items: stretch;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 1.5rem;
}

.panel {
    padding: 1.75rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-deep);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    font-family: "Georgia", "Palatino Linotype", serif;
    margin: 0 0 0.75rem;
}

h1 {
    font-size: clamp(2rem, 3vw, 3rem);
}

h2 {
    font-size: 1.6rem;
}

h3 {
    font-size: 1rem;
}

p {
    margin: 0;
    line-height: 1.65;
}

.lead,
.muted {
    color: var(--text-soft);
}

.auth-form,
.upload-form,
.request-form {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.75rem;
}

label {
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.32);
    border-radius: 14px;
    padding: 0.95rem 1rem;
    font: inherit;
    background: rgba(255, 255, 255, 0.95);
}

textarea {
    resize: vertical;
    min-height: 8rem;
}

button {
    border: 0;
    border-radius: 999px;
    padding: 0.95rem 1.25rem;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    color: white;
    background: linear-gradient(135deg, var(--accent) 0%, #be123c 100%);
    box-shadow: 0 12px 24px rgba(234, 88, 12, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(234, 88, 12, 0.34);
}

button:disabled {
    opacity: 0.65;
    cursor: wait;
}

.secondary-button {
    color: var(--accent-deep);
    background: white;
    box-shadow: none;
    border: 1px solid rgba(234, 88, 12, 0.18);
}

.account-card {
    min-width: 260px;
    display: grid;
    align-content: start;
    gap: 0.75rem;
    padding: 1.1rem 1.15rem;
    border-radius: 22px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 237, 213, 0.88) 100%);
    border: 1px solid rgba(234, 88, 12, 0.16);
}

.account-label {
    color: var(--text-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.account-user {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    max-width: 100%;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--accent-deep);
    font-weight: 700;
    box-shadow: inset 0 0 0 1px rgba(234, 88, 12, 0.14);
    overflow-wrap: anywhere;
}

.logout-helper {
    color: var(--text-soft);
    font-size: 0.92rem;
}

.logout-form {
    margin-top: 0.15rem;
}

.logout-button {
    display: inline-flex;
    align-items: center;
    width: 100%;
    justify-content: center;
    background: linear-gradient(135deg, #fff7ed 0%, #ffffff 100%);
    color: var(--accent-deep);
    border: 1px solid rgba(234, 88, 12, 0.22);
    box-shadow: 0 12px 24px rgba(154, 52, 18, 0.08);
}

.logout-button:hover {
    box-shadow: 0 16px 28px rgba(154, 52, 18, 0.12);
}

.upload-dropzone {
    display: grid;
    gap: 0.45rem;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1.5px dashed rgba(234, 88, 12, 0.35);
    background: linear-gradient(135deg, rgba(255, 237, 213, 0.75) 0%, rgba(255, 255, 255, 0.92) 100%);
}

.upload-title {
    font-weight: 700;
}

.upload-subtitle {
    color: var(--text-soft);
    font-size: 0.95rem;
}

input[type="file"] {
    margin-top: 0.4rem;
}

.status-banner {
    margin-top: 1rem;
    border-radius: 16px;
    padding: 0.9rem 1rem;
    font-weight: 600;
}

.status-banner.success {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-banner.error {
    background: var(--error-bg);
    color: var(--error-text);
}

.field-group {
    display: grid;
    gap: 0.45rem;
}

.field-hint {
    color: var(--text-soft);
    font-size: 0.88rem;
}

.field-error {
    margin: 0;
    color: var(--error-text);
    font-size: 0.88rem;
    font-weight: 600;
}

.hidden {
    display: none !important;
}

.request-panel {
    padding: 2rem;
}

.format-guide {
    margin-top: 1.5rem;
}

.result-panel {
    display: flex;
    flex-direction: column;
}

.empty-state {
    display: grid;
    place-items: center;
    min-height: 12rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255, 237, 213, 0.6) 0%, rgba(255, 255, 255, 0.95) 100%);
    color: var(--text-soft);
    text-align: center;
    padding: 1.5rem;
}

.result-metric {
    display: grid;
    gap: 0.25rem;
    padding: 1rem 0 1.2rem;
}

.metric-label {
    color: var(--text-soft);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.metric-value {
    font-family: "Georgia", "Palatino Linotype", serif;
    font-size: clamp(2.1rem, 4vw, 3.4rem);
    color: var(--accent-deep);
}

.summary-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.summary-item {
    display: grid;
    gap: 0.2rem;
    padding: 0.75rem;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 237, 213, 0.5) 0%, rgba(255, 255, 255, 0.9) 100%);
    border: 1px solid rgba(148, 163, 184, 0.15);
}

.summary-label {
    color: var(--text-soft);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.summary-value {
    font-weight: 700;
    font-size: 1.1rem;
}

.summary-value.profit {
    color: #166534;
}

.summary-value.loss {
    color: #b91c1c;
}

.table-shell,
.format-guide table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
    font-size: 0.95rem;
}

th,
td {
    text-align: left;
    padding: 0.8rem 0.65rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

th {
    color: var(--text-soft);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
}

.chip.buy {
    background: rgba(239, 68, 68, 0.14);
    color: #b91c1c;
}

.chip.sell {
    background: rgba(34, 197, 94, 0.14);
    color: #166534;
}

.site-footer {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 0 1rem 1.75rem;
}

.footer-shell {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1rem 1.25rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.68);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(148, 163, 184, 0.2);
    text-align: center;
    color: var(--text-soft);
}

.footer-shell p {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.footer-shell a {
    color: var(--accent-deep);
    font-weight: 700;
    text-decoration: none;
}

.footer-shell a:hover {
    text-decoration: underline;
}

.footer-separator {
    opacity: 0.5;
}

@media (max-width: 900px) {
    .auth-grid,
    .hero-card,
    .workspace-grid {
        grid-template-columns: 1fr;
        display: grid;
    }

    .hero-card {
        padding: 1.5rem;
    }

    .account-card {
        min-width: 0;
    }

    .panel,
    .auth-panel,
    .request-panel {
        padding: 1.35rem;
    }

    .dashboard-shell,
    .auth-shell {
        width: min(100%, calc(100% - 1rem));
        margin: 0.75rem auto;
    }

    .footer-shell {
        width: min(100%, calc(100% - 1rem));
    }
}