:root {
    --bg: #f3f1ea;
    --panel: rgba(255, 255, 255, 0.84);
    --panel-strong: rgba(255, 255, 255, 0.95);
    --text: #1d2830;
    --muted: #64707a;
    --line: rgba(24, 36, 46, 0.1);
    --accent: #0f7f72;
    --accent-dark: #0a665b;
    --accent-soft: rgba(15, 127, 114, 0.12);
    --shadow: 0 24px 80px rgba(31, 51, 74, 0.12);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --container: 1180px;
}

@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap");

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: "Manrope", "Segoe UI Variable Text", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(15, 127, 114, 0.16), transparent 28%),
        radial-gradient(circle at top right, rgba(207, 180, 120, 0.14), transparent 32%),
        linear-gradient(180deg, #faf8f4 0%, var(--bg) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(29, 40, 48, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 40, 48, 0.035) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 88%);
    pointer-events: none;
}

.page-shell {
    position: relative;
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
    padding: 28px 0 40px;
}

.main-content {
    display: grid;
    gap: 28px;
}

.login-body .page-shell {
    display: grid;
    min-height: 100vh;
    align-items: center;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding: 18px 22px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(18px);
    box-shadow: 0 12px 30px rgba(31, 51, 74, 0.08);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 44px;
}

.brand-mark {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0f7f72, #d0ab61);
    box-shadow: 0 0 0 10px rgba(15, 127, 114, 0.09);
}

.workspace-intro h2,
.auth-panel h2,
.auth-aside h3,
.info-panel h3,
.history-panel h3,
.result-card h3,
.dropzone h3 {
    margin: 0;
    font-family: "Manrope", "Segoe UI Variable Text", "Segoe UI", sans-serif;
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.eyebrow {
    margin: 0 0 6px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

.section-copy {
    margin: 0;
    color: var(--muted);
    line-height: 1.65;
}

.auth-layout {
    display: grid;
    grid-template-columns: minmax(340px, 460px);
    justify-content: center;
    align-items: center;
}

.auth-panel,
.auth-aside,
.upload-panel,
.info-panel,
.result-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(24, 36, 46, 0.09);
    border-radius: var(--radius-xl);
    background: var(--panel);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
}

.auth-panel {
    padding: 36px;
}

.auth-panel h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 0.98;
    margin-bottom: 14px;
}

.auth-form {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.field-label {
    font-size: 0.95rem;
    font-weight: 600;
}

.text-input {
    width: 100%;
    border: 1px solid rgba(24, 36, 46, 0.14);
    border-radius: var(--radius-sm);
    padding: 15px 16px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.85);
    color: var(--text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.text-input:focus {
    outline: none;
    border-color: rgba(15, 127, 114, 0.55);
    box-shadow: 0 0 0 5px rgba(15, 127, 114, 0.12);
    transform: translateY(-1px);
}

.primary-button,
.secondary-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.96rem;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.primary-button {
    min-height: 52px;
    padding: 0 22px;
    background: linear-gradient(135deg, var(--accent), #0b655b);
    color: #fff;
    box-shadow: 0 16px 32px rgba(15, 127, 114, 0.24);
}

.secondary-button {
    min-height: 48px;
    padding: 0 18px;
    background: rgba(255, 255, 255, 0.84);
    color: var(--text);
    border: 1px solid rgba(24, 36, 46, 0.08);
}

.ghost-button {
    min-height: 44px;
    padding: 0 16px;
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(24, 36, 46, 0.12);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.dropzone:hover {
    transform: translateY(-1px);
}

.primary-button:disabled {
    cursor: wait;
    opacity: 0.7;
}

.auth-aside {
    padding: 36px;
    display: grid;
    align-content: end;
    gap: 18px;
    min-height: 520px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.26), rgba(255, 255, 255, 0.88)),
        linear-gradient(150deg, rgba(15, 127, 114, 0.2), rgba(208, 171, 97, 0.08));
}

.glow-orb {
    position: absolute;
    top: 48px;
    right: 46px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.18) 38%, transparent 58%),
        linear-gradient(135deg, rgba(15, 127, 114, 0.5), rgba(208, 171, 97, 0.18));
    filter: blur(2px);
    animation: drift 7s ease-in-out infinite alternate;
}

.workspace-intro {
    display: grid;
    gap: 14px;
    padding: 20px 2px 4px;
    max-width: 1080px;
}

.workspace-intro h2 {
    font-size: clamp(2rem, 4vw, 3.1rem);
    margin-bottom: 12px;
    max-width: none;
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.9fr);
    gap: 36px;
    align-items: start;
}

.upload-panel,
.info-panel,
.history-panel,
.result-card {
    padding: 28px;
}

.dropzone {
    display: grid;
    justify-items: center;
    text-align: center;
    gap: 12px;
    min-height: 340px;
    padding: 32px;
    border: 1.5px dashed rgba(15, 127, 114, 0.28);
    border-radius: calc(var(--radius-xl) - 8px);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 247, 244, 0.92)),
        linear-gradient(135deg, rgba(15, 127, 114, 0.06), rgba(208, 171, 97, 0.08));
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.dropzone.is-active {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px rgba(15, 127, 114, 0.16), 0 20px 36px rgba(15, 127, 114, 0.08);
}

.dropzone-icon {
    width: 70px;
    height: 70px;
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(15, 127, 114, 0.16), rgba(255, 255, 255, 0.4)),
        linear-gradient(135deg, rgba(15, 127, 114, 0.22), rgba(208, 171, 97, 0.18));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.selected-file-name {
    margin: 4px 0 0;
    color: var(--muted);
    font-weight: 600;
}

.action-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 24px;
}

.processing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-weight: 600;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(15, 127, 114, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.alert {
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.alert-neutral {
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(24, 36, 46, 0.08);
    color: var(--muted);
}

.alert-success {
    background: rgba(15, 127, 114, 0.1);
    border: 1px solid rgba(15, 127, 114, 0.18);
    color: #0c5e54;
}

.alert-error {
    background: rgba(174, 53, 71, 0.08);
    border: 1px solid rgba(174, 53, 71, 0.16);
    color: #8b2e3d;
}

.feature-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.6;
}

.feature-list.compact {
    gap: 10px;
}

.info-panel,
.history-panel {
    display: grid;
    align-content: start;
    gap: 14px;
}

.history-panel {
    padding-top: 34px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.68));
}

.history-copy {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    max-width: 34ch;
}

.history-list {
    display: grid;
    gap: 0;
    border-top: 1px solid rgba(24, 36, 46, 0.08);
}

.history-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid rgba(24, 36, 46, 0.08);
    background: transparent;
}

.history-item-main {
    min-width: 0;
}

.history-item-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.history-item-date,
.history-item-name,
.history-item-meta {
    margin: 0;
}

.history-item-date {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--accent);
}

.history-item-name {
    margin-top: 8px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.history-item-meta {
    color: var(--muted);
    font-size: 0.86rem;
    white-space: nowrap;
}

.history-download {
    min-width: 118px;
    min-height: 44px;
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.7);
}

.empty-history {
    padding: 18px 0 0;
    border-top: 1px solid rgba(24, 36, 46, 0.08);
    color: var(--muted);
    line-height: 1.6;
    background: transparent;
}

.result-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(247, 247, 244, 0.92)),
        linear-gradient(135deg, rgba(15, 127, 114, 0.06), rgba(208, 171, 97, 0.06));
}

[hidden] {
    display: none !important;
}

@keyframes drift {
    from {
        transform: translate3d(0, 0, 0) scale(1);
    }
    to {
        transform: translate3d(0, 12px, 0) scale(1.06);
    }
}

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

@media (max-width: 980px) {
    .auth-layout,
    .workspace-grid,
    .result-card {
        grid-template-columns: 1fr;
        display: grid;
    }

    .result-card {
        justify-content: start;
    }

    .action-row {
        align-items: center;
    }

    .topbar {
        border-radius: 28px;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(calc(100% - 24px), var(--container));
        padding-top: 18px;
    }

    .auth-panel,
    .auth-aside,
    .upload-panel,
    .info-panel,
    .history-panel,
    .result-card {
        padding: 22px;
        border-radius: 24px;
    }

    .dropzone {
        min-height: 280px;
        padding: 24px 18px;
    }

    .topbar {
        padding: 14px 16px;
    }

    .brand-lockup {
        align-items: start;
    }

    .history-item {
        grid-template-columns: 1fr;
    }

    .history-item-topline {
        align-items: start;
        flex-direction: column;
        gap: 6px;
    }

    .history-download {
        width: 100%;
    }
}