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

:root {
    color-scheme: light;
    --background: #f5f7fb;
    --foreground: #172033;
    --card: #ffffff;
    --card-foreground: #172033;
    --popover: #ffffff;
    --popover-foreground: #172033;
    --primary: #0872b9;
    --primary-foreground: #ffffff;
    --secondary: #e8edf7;
    --secondary-foreground: #282560;
    --muted: #edf2f8;
    --muted-foreground: #667085;
    --accent: #dff6f8;
    --accent-foreground: #154555;
    --border: #dde3ec;
    --input: #cbd5e1;
    --ring: #0872b9;
    --success: #15803d;
    --success-foreground: #ffffff;
    --success-soft: #def7e8;
    --warning: #b45309;
    --warning-foreground: #ffffff;
    --warning-soft: #fff2c5;
    --info: #0369a1;
    --info-foreground: #ffffff;
    --info-soft: #e5f3fb;
    --destructive: #b42318;
    --destructive-foreground: #ffffff;
    --destructive-soft: #fde2e1;
    --brand-deep: #262161;
    --brand-indigo: #282560;
    --brand-cyan: #18afc7;
    --header-foreground: #ffffff;
    --shadow: 0 8px 24px rgba(20, 36, 66, 0.06);
    --shadow-strong: 0 16px 40px rgba(20, 36, 66, 0.12);
    --radius-control: 0.7rem;
    --radius-card: 1rem;
}

html.dark {
    color-scheme: dark;
    --background: #10182a;
    --foreground: #e8edf7;
    --card: #18233a;
    --card-foreground: #e8edf7;
    --popover: #1c2942;
    --popover-foreground: #e8edf7;
    --primary: #42a5df;
    --primary-foreground: #081827;
    --secondary: #263454;
    --secondary-foreground: #dce8fa;
    --muted: #202d47;
    --muted-foreground: #aab8ce;
    --accent: #173d4a;
    --accent-foreground: #b8f0f4;
    --border: #30415f;
    --input: #405171;
    --ring: #59b8ec;
    --success: #43b96c;
    --success-foreground: #071d0e;
    --success-soft: #163d29;
    --warning: #f0a33b;
    --warning-foreground: #261605;
    --warning-soft: #4a3518;
    --info: #55b9e8;
    --info-foreground: #071b29;
    --info-soft: #17384c;
    --destructive: #f2766c;
    --destructive-foreground: #2b0a07;
    --destructive-soft: #4a211f;
    --brand-deep: #181642;
    --brand-indigo: #211e50;
    --brand-cyan: #49c3d0;
    --header-foreground: #f8fbff;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
    --shadow-strong: 0 16px 40px rgba(0, 0, 0, 0.26);
}

* { box-sizing: border-box; }

html { min-width: 320px; }

body {
    margin: 0;
    background: var(--background);
    color: var(--foreground);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: "Lato", "Segoe UI", Arial, sans-serif;
    line-height: 1.55;
    transition: background-color 160ms ease, color 160ms ease;
}

a { color: var(--primary); }
a:hover { color: var(--info); }

button, input, select, textarea { font: inherit; }

button, .button { min-height: 44px; }

button {
    border: 0;
    cursor: pointer;
}

button:disabled, .button.disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
}

h1, h2, h3 {
    color: var(--foreground);
    font-family: "Comfortaa", "Segoe UI", sans-serif;
    line-height: 1.2;
    margin-top: 0;
}

h1 { font-size: clamp(1.8rem, 3vw, 2.55rem); margin-bottom: 0.65rem; }
h2 { font-size: clamp(1.35rem, 2vw, 1.8rem); margin-bottom: 0.65rem; }
h3 { font-size: 1.12rem; margin-bottom: 0.55rem; }

p { margin: 0 0 1rem; }

.skip-link {
    position: absolute;
    left: 1rem;
    top: -5rem;
    z-index: 20;
    background: var(--card);
    color: var(--foreground);
    padding: 0.7rem 1rem;
    border-radius: var(--radius-control);
    box-shadow: var(--shadow);
}

.skip-link:focus { top: 1rem; }

.site-header {
    background: linear-gradient(120deg, var(--brand-deep), var(--brand-indigo));
    color: var(--header-foreground);
    box-shadow: 0 3px 14px rgba(20, 30, 60, 0.18);
}

.header-inner {
    width: min(1240px, calc(100% - 2rem));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    flex-direction: column;
    flex-shrink: 0;
    color: var(--header-foreground);
    line-height: 1.1;
    text-decoration: none;
}

.brand strong {
    font-family: "Comfortaa", "Segoe UI", sans-serif;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.brand small {
    color: #a8ddec;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    margin-top: 0.3rem;
    text-transform: uppercase;
}

.site-nav {
    align-items: center;
    display: flex;
    flex: 1;
    gap: 1rem;
    justify-content: space-between;
}

.nav-links, .nav-account {
    align-items: center;
    display: flex;
    gap: 0.25rem;
}

.nav-links a, .nav-account a {
    border-radius: 0.55rem;
    color: #dbe8f7;
    padding: 0.65rem 0.7rem;
    text-decoration: none;
    white-space: nowrap;
}

.nav-links a:hover, .nav-links a:focus-visible, .nav-account a:hover, .nav-account a:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.nav-user {
    color: #b9c9df;
    font-size: 0.9rem;
    padding: 0.4rem 0.65rem;
}

.nav-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-control);
    color: #ffffff;
    display: none;
    padding: 0.55rem 0.7rem;
}

.theme-control {
    align-items: center;
    color: #dbe8f7;
    display: inline-flex;
    font-size: 0.85rem;
    gap: 0.45rem;
    white-space: nowrap;
}

.theme-control select {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.32);
    color: #ffffff;
    min-height: 38px;
    padding: 0.35rem 0.55rem;
}

.theme-control option { color: #172033; }

.page-shell {
    flex: 1;
    margin: 0 auto;
    max-width: 1240px;
    padding: 2.2rem 1rem 3.5rem;
    width: 100%;
}

.page-header {
    align-items: end;
    display: flex;
    gap: 1.5rem;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-header > div:first-child { max-width: 760px; }

.eyebrow {
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    margin-bottom: 0.65rem;
    text-transform: uppercase;
}

.page-description, .muted { color: var(--muted-foreground); }
.page-description { font-size: 1.05rem; margin-bottom: 0; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow);
    color: var(--card-foreground);
    margin-bottom: 1.25rem;
    padding: clamp(1.1rem, 2.5vw, 1.6rem);
}

.card > :last-child { margin-bottom: 0; }
.card.subtle { background: var(--muted); box-shadow: none; }

.brand-panel {
    background: linear-gradient(125deg, var(--brand-indigo), var(--primary));
    border: 0;
    color: #ffffff;
}

.brand-panel h1, .brand-panel h2, .brand-panel h3 { color: #ffffff; }
.brand-panel .muted, .brand-panel .page-description { color: #d9eff7; }
.brand-panel .eyebrow { color: var(--accent-foreground); }

.actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.actions-spread { justify-content: space-between; }

.button, button {
    align-items: center;
    background: var(--primary);
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    color: var(--primary-foreground);
    display: inline-flex;
    font-weight: 700;
    justify-content: center;
    padding: 0.65rem 1rem;
    text-decoration: none;
    transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.button:hover, button:hover { background: var(--info); color: var(--primary-foreground); }
.button:active, button:active { transform: translateY(1px); }
.button.secondary, button.secondary { background: var(--secondary); color: var(--secondary-foreground); }
.button.secondary:hover, button.secondary:hover { background: var(--border); color: var(--foreground); }
.button.outline, button.outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.button.outline:hover, button.outline:hover { background: var(--accent); }
.button.danger, button.danger { background: var(--destructive); color: var(--destructive-foreground); }
.button.danger:hover, button.danger:hover { filter: brightness(0.92); }
.button.small, button.small { min-height: 38px; padding: 0.45rem 0.75rem; }

.grid {
    display: grid;
    gap: 0.85rem;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    margin-bottom: 1.25rem;
}

.metric {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0.85rem;
    box-shadow: var(--shadow);
    padding: 1rem 1.1rem;
}

.metric span { color: var(--muted-foreground); display: block; font-size: 0.88rem; }
.metric strong { display: block; font-size: 1.8rem; font-variant-numeric: tabular-nums; margin-top: 0.3rem; text-align: right; }
.metric.success strong { color: var(--success); }
.metric.error strong { color: var(--destructive); }

.status {
    background: var(--muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted-foreground);
    display: inline-flex;
    font-size: 0.76rem;
    font-weight: 700;
    line-height: 1.2;
    padding: 0.35rem 0.65rem;
    white-space: nowrap;
}

.status.success { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.status.error { background: var(--destructive-soft); border-color: var(--destructive); color: var(--destructive); }
.status.warning { background: var(--warning-soft); border-color: var(--warning); color: var(--warning); }
.status.info { background: var(--info-soft); border-color: var(--info); color: var(--info); }

.messages { margin-bottom: 1.25rem; }

.message {
    align-items: flex-start;
    background: var(--info-soft);
    border: 1px solid var(--info);
    border-radius: var(--radius-control);
    color: var(--info);
    display: flex;
    gap: 0.65rem;
    margin-bottom: 0.65rem;
    padding: 0.8rem 1rem;
}

.message::before { content: "i"; border: 1px solid currentColor; border-radius: 50%; display: inline-flex; flex: 0 0 1.2rem; font-size: 0.78rem; font-weight: 700; height: 1.2rem; justify-content: center; line-height: 1.1rem; width: 1.2rem; }
.message.error { background: var(--destructive-soft); border-color: var(--destructive); color: var(--destructive); }
.message.error::before { content: "!"; }
.message.success { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.message.success::before { content: "✓"; }
.message.warning { background: var(--warning-soft); border-color: var(--warning); color: var(--warning); }
.message.warning::before { content: "!"; }

.validation-message {
    background: var(--info-soft);
    border-left: 4px solid var(--info);
    border-radius: 0.65rem;
    color: var(--foreground);
    margin-bottom: 1.25rem;
    padding: 0.9rem 1rem;
}

.validation-message.error { background: var(--destructive-soft); border-left-color: var(--destructive); }
.validation-message.warning { background: var(--warning-soft); border-left-color: var(--warning); }

.table-wrap {
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    overflow-x: auto;
}

table { border-collapse: collapse; font-size: 0.9rem; min-width: 720px; width: 100%; }
th, td { border-bottom: 1px solid var(--border); padding: 0.8rem 0.75rem; text-align: left; vertical-align: top; }
th { background: var(--muted); color: var(--secondary-foreground); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--accent); }
.number { font-variant-numeric: tabular-nums; text-align: right; }

form p { margin-bottom: 1rem; }
form label { color: var(--foreground); display: block; font-weight: 700; margin-bottom: 0.35rem; }
input, select, textarea {
    background: var(--card);
    border: 1px solid var(--input);
    border-radius: var(--radius-control);
    color: var(--foreground);
    max-width: 100%;
    padding: 0.7rem 0.75rem;
    width: 100%;
}
input[type="file"] { padding: 0.55rem; }
input[type="checkbox"] { accent-color: var(--primary); width: auto; }
textarea { min-height: 7rem; resize: vertical; }
input::placeholder { color: var(--muted-foreground); }
.helptext, .form-help { color: var(--muted-foreground); display: block; font-size: 0.88rem; margin-top: 0.35rem; }
.errorlist { color: var(--destructive); font-size: 0.88rem; list-style: none; margin: 0.35rem 0 0; padding: 0; }

.form-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.upload-layout { align-items: start; display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.75fr); }
.requirements { background: var(--accent); border: 1px solid var(--brand-cyan); border-radius: 0.85rem; padding: 1rem 1.1rem; }
.requirements h2 { color: var(--accent-foreground); font-size: 1.1rem; }
.requirements ul { color: var(--accent-foreground); margin: 0; padding-left: 1.2rem; }
.requirements li + li { margin-top: 0.5rem; }

.empty-state { color: var(--muted-foreground); padding: 2.5rem 1rem; text-align: center; }
.empty-state strong { color: var(--foreground); display: block; font-family: "Comfortaa", sans-serif; margin-bottom: 0.35rem; }

.filter-bar { align-items: end; display: grid; gap: 0.75rem; grid-template-columns: repeat(5, minmax(130px, 1fr)) auto auto; }
.filter-bar .filter-actions { display: flex; gap: 0.5rem; }
.filter-bar label { font-size: 0.82rem; }

.dashboard-tabs { border-bottom: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.25rem; padding-bottom: 0.65rem; }
.tab-button { background: transparent; border: 1px solid transparent; color: var(--muted-foreground); min-height: 40px; padding: 0.45rem 0.7rem; }
.tab-button:hover { background: var(--accent); color: var(--accent-foreground); }
.tab-button.active { background: var(--primary); color: var(--primary-foreground); }
.charts { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.chart-card { box-shadow: none; margin: 0; min-width: 0; }
.chart-card h3 { margin-bottom: 1rem; }
.chart-scroll { max-height: 520px; overflow-y: auto; }
canvas { background: var(--card); display: block; max-width: 100%; }

.danger-zone { border-color: var(--destructive); }
.danger-zone h2 { color: var(--destructive); }

.login-shell { min-height: calc(100vh - 76px); display: grid; place-items: center; }
.login-card { max-width: 440px; width: 100%; }
.login-mark { color: var(--primary); font-family: "Comfortaa", sans-serif; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.login-logo-wrap { background: var(--muted); border: 1px solid var(--border); border-radius: 0.85rem; margin: 1.1rem 0 1.35rem; overflow: hidden; padding: 0.65rem; }
.login-logo { border-radius: 0.75rem; display: block; height: auto; max-height: 140px; object-fit: contain; overflow: hidden; width: 100%; }

.site-footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    color: var(--muted-foreground);
    margin-top: auto;
}

.footer-inner {
    align-items: center;
    display: flex;
    gap: 2rem;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1240px;
    min-height: 112px;
    padding: 1rem;
    width: 100%;
}

.footer-logo-link {
    align-items: center;
    display: inline-flex;
    flex-shrink: 0;
    min-height: 44px;
}

.footer-logo {
    border-radius: 0.5rem;
    display: block;
    height: 72px;
    object-fit: cover;
    object-position: center;
    width: 156px;
}

.footer-logo-dark { display: none; }
html.dark .footer-logo-light { display: none; }
html.dark .footer-logo-dark { display: block; }

.footer-details {
    border-left: 1px solid var(--border);
    font-size: 0.95rem;
    padding-left: 2rem;
    text-align: right;
}

.footer-details p { margin: 0.2rem 0; }
.footer-details a { font-weight: 700; }
.whatsapp-link { color: var(--success); }
.whatsapp-link:hover { color: var(--primary); }

@media (max-width: 980px) {
    .header-inner { gap: 0.8rem; }
    .nav-toggle { display: inline-flex; margin-left: auto; }
    .site-nav { align-items: stretch; background: var(--brand-indigo); display: none; flex-direction: column; gap: 0.75rem; left: 0; padding: 1rem; position: absolute; right: 0; top: 76px; z-index: 10; }
    .site-nav.is-open { display: flex; }
    .nav-links, .nav-account { align-items: stretch; flex-direction: column; }
    .nav-links a, .nav-account a, .nav-user { padding: 0.75rem; }
    .theme-control { justify-content: space-between; padding: 0.4rem 0.75rem; }
    .theme-control select { min-width: 130px; }
    .filter-bar { grid-template-columns: repeat(3, minmax(130px, 1fr)); }
    .filter-bar .filter-actions { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .page-shell { padding-top: 1.5rem; }
    .page-header { align-items: stretch; flex-direction: column; gap: 1rem; }
    .page-header .actions { width: 100%; }
    .upload-layout, .charts { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-grid .full { grid-column: auto; }
    .filter-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
    .header-inner { min-height: 68px; width: min(100% - 1.2rem, 1240px); }
    .site-nav { top: 68px; }
    .brand small { display: none; }
    .page-shell { padding-left: 0.7rem; padding-right: 0.7rem; }
    .card { border-radius: 0.85rem; padding: 1rem; }
    .actions > .button, .actions > button { flex: 1 1 auto; }
    .filter-bar { grid-template-columns: 1fr; }
    .filter-bar .filter-actions { flex-direction: column; }
    .footer-inner { align-items: flex-start; flex-direction: column; gap: 0.8rem; padding-bottom: 1.25rem; padding-top: 1.25rem; }
    .footer-details { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; padding-top: 0.8rem; text-align: left; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}