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

:root {
    --green-950: #032d25;
    --green-900: #063c31;
    --green-800: #0a4b3d;
    --green-100: #e6f0eb;
    --gold: #cfa63d;
    --gold-light: #e3c66f;
    --cream: #fbf6eb;
    --ink: #172a25;
    --muted: #687872;
    --line: #dfe8e4;
    --soft: #f4f7f6;
    --white: #fff;
    --danger: #b64343;
    --shadow: 0 22px 60px rgba(4, 53, 43, .12);
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--soft); font-family: 'DM Sans', system-ui, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.admin-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 10; width: 260px; display: flex; flex-direction: column; padding: 28px 20px; color: var(--white); background: linear-gradient(180deg, var(--green-950), #05271f); }
.admin-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 42px; }
.admin-brand img { width: 52px; height: 52px; border-radius: 50%; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.admin-brand strong, .admin-brand small { display: block; }
.admin-brand strong { color: var(--gold-light); font-family: Georgia, serif; font-size: 1.08rem; }
.admin-brand small { margin-top: 3px; color: #b8cec7; font-size: .69rem; letter-spacing: .08em; text-transform: uppercase; }
.admin-sidebar nav { display: grid; gap: 8px; }
.admin-sidebar nav a { display: flex; align-items: center; gap: 11px; padding: 12px 14px; color: #d3e2dd; border-radius: 11px; font-weight: 700; }
.admin-sidebar nav a:hover, .admin-sidebar nav a.active { color: var(--white); background: rgba(255,255,255,.09); }
.admin-sidebar nav span { color: var(--gold-light); }
.logout-form { margin-top: auto; }
.logout-form button { width: 100%; padding: 12px; color: #d4e2de; border: 1px solid rgba(255,255,255,.14); border-radius: 11px; background: transparent; cursor: pointer; }
.logout-form button:hover { color: var(--white); border-color: var(--gold); }

.admin-main { margin-left: 260px; padding: 42px; }
.dashboard-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.dashboard-kicker, .prospects-heading > div > span, .card-heading > div > span { color: var(--gold); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.dashboard-header h1 { margin: 5px 0 8px; color: var(--green-900); font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.045em; }
.dashboard-header p { margin: 0; color: var(--muted); }
.dashboard-actions { display: flex; gap: 10px; }
.button-primary, .button-secondary { display: inline-flex; min-height: 45px; align-items: center; justify-content: center; padding: 0 17px; border-radius: 10px; font-weight: 800; }
.button-primary { color: var(--green-950); background: var(--gold); }
.button-secondary { color: var(--green-900); border: 1px solid var(--line); background: var(--white); }
.toast-success { margin-bottom: 20px; padding: 14px 16px; color: #16633f; border: 1px solid #b8ddca; border-radius: 12px; background: #eaf8f0; }

.metric-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 20px; }
.metric-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: 0 10px 34px rgba(4,53,43,.05); }
.metric-grid span, .metric-grid strong, .metric-grid small { display: block; }
.metric-grid span { color: var(--muted); font-size: .78rem; font-weight: 700; }
.metric-grid strong { margin: 8px 0 4px; color: var(--green-900); font-size: 2rem; }
.metric-grid small { color: #8b9894; }
.metric-grid .metric-highlight { color: var(--white); border-color: var(--green-900); background: var(--green-900); }
.metric-grid .metric-highlight span, .metric-grid .metric-highlight small { color: #bdd2cb; }
.metric-grid .metric-highlight strong { color: var(--gold-light); }

.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.chart-card, .prospects-card { border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 14px 42px rgba(4,53,43,.055); }
.chart-card { padding: 24px; }
.card-heading { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.card-heading h2, .prospects-heading h2 { margin: 4px 0 0; color: var(--green-900); font-size: 1.28rem; }
.card-heading > small { color: var(--muted); }
.weekly-chart { height: 230px; display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; align-items: end; padding-top: 24px; }
.day-column { height: 100%; display: grid; grid-template-rows: 20px 1fr 20px; align-items: end; text-align: center; }
.day-column strong { color: var(--green-900); font-size: .76rem; }
.day-track { height: 100%; display: flex; align-items: end; overflow: hidden; border-radius: 8px; background: var(--soft); }
.day-track span { width: 100%; min-height: 4px; border-radius: 8px 8px 0 0; background: linear-gradient(180deg, var(--gold-light), var(--gold)); }
.day-column small { margin-top: 5px; color: var(--muted); text-transform: capitalize; }
.state-chart { display: grid; gap: 13px; margin-top: 26px; }
.state-chart header { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 5px; font-size: .8rem; }
.state-track { height: 8px; overflow: hidden; border-radius: 999px; background: var(--soft); }
.state-track span { display: block; min-width: 3px; height: 100%; border-radius: inherit; background: var(--gold); }
.state-track .state-nuevo { background: #759b8f; }
.state-track .state-contactado { background: #4e8bb8; }
.state-track .state-visitaagendada { background: #906db0; }
.state-track .state-negociacion { background: #d49d3e; }
.state-track .state-cliente { background: #2d9b68; }
.state-track .state-descartado { background: #bd6262; }

.prospects-card { overflow: hidden; }
.prospects-heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; padding: 24px; border-bottom: 1px solid var(--line); }
.filters-form { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.filters-form input, .filters-form select { min-height: 42px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--white); outline: none; }
.filters-form input { min-width: 260px; }
.filters-form input:focus, .filters-form select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(207,166,61,.14); }
.filters-form button, .filters-form a { min-height: 42px; display: inline-flex; align-items: center; padding: 0 13px; border: 0; border-radius: 9px; cursor: pointer; font-weight: 800; }
.filters-form button { color: var(--white); background: var(--green-800); }
.filters-form a { color: var(--muted); background: var(--soft); }
.table-scroll { overflow-x: auto; }
.prospects-table { width: 100%; min-width: 1120px; border-collapse: collapse; }
.prospects-table th, .prospects-table td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .82rem; }
.prospects-table th { color: var(--green-900); background: #fafcfb; font-size: .73rem; letter-spacing: .04em; text-transform: uppercase; }
.prospects-table td strong, .prospects-table td span, .prospects-table td a { display: block; }
.prospects-table td > span { color: var(--muted); }
.prospects-table td a { margin-top: 3px; color: var(--green-700, #12614f); font-weight: 700; }
.date-cell small { margin-top: 5px; color: #99a5a1; }
.message-cell { max-width: 230px; color: var(--muted); }
.whatsapp-admin { display: inline-flex !important; margin-top: 7px !important; padding: 6px 9px; border-radius: 7px; color: #167b4c !important; background: #e8f7ef; }
.status-form select { min-width: 145px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; outline: none; cursor: pointer; }
.status-select.status-nuevo { background: #eef4f2; }
.status-select.status-contactado { background: #edf5fb; }
.status-select.status-visitaagendada { background: #f4eff8; }
.status-select.status-negociacion { background: #fff7e8; }
.status-select.status-cliente { background: #e9f8f0; }
.status-select.status-descartado { background: #fbeeee; }
.empty-state { padding: 64px 25px; text-align: center; }
.empty-state strong { color: var(--green-900); font-size: 1.1rem; }
.empty-state p { color: var(--muted); }

/* Login */
.login-page { display: grid; place-items: center; padding: 22px; background: linear-gradient(135deg, #022d25, #075142); }
.login-shell { width: min(1080px, 100%); min-height: 660px; display: grid; grid-template-columns: 1fr .86fr; overflow: hidden; border: 1px solid rgba(255,255,255,.15); border-radius: 27px; background: var(--white); box-shadow: 0 36px 110px rgba(0,0,0,.35); }
.login-visual { position: relative; display: flex; align-items: flex-end; padding: 48px; color: var(--white); background: linear-gradient(to top, rgba(2,45,37,.96), rgba(2,45,37,.2)), url('../assets/sendero-arbolado.jpg') center/cover; }
.login-visual > div { max-width: 530px; }
.login-back { position: absolute; top: 26px; left: 28px; color: #e1ece8; font-weight: 700; }
.login-logo { width: 86px; height: 86px; margin-bottom: 20px; border-radius: 50%; }
.login-kicker { color: var(--gold-light); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.login-visual h1 { margin: 9px 0 14px; font-size: clamp(2.3rem, 5vw, 4rem); line-height: 1.04; letter-spacing: -.055em; }
.login-visual p { color: #d3e2dd; font-size: 1.02rem; }
.login-form-panel { display: grid; place-items: center; padding: 42px; }
.login-form { width: min(390px, 100%); }
.login-form h2 { margin: 7px 0 8px; color: var(--green-900); font-size: 2rem; }
.login-form > p { margin: 0 0 26px; color: var(--muted); }
.login-form label:not(.remember-row) { display: block; margin: 15px 0 7px; color: var(--green-900); font-size: .84rem; font-weight: 800; }
.login-form input[type=email], .login-form input[type=password] { width: 100%; min-height: 48px; padding: 0 13px; border: 1px solid var(--line); border-radius: 10px; outline: none; }
.login-form input:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(207,166,61,.13); }
.password-field { position: relative; }
.password-field button { position: absolute; top: 7px; right: 7px; height: 34px; padding: 0 10px; color: var(--green-800); border: 0; border-radius: 7px; background: var(--soft); cursor: pointer; }
.remember-row { display: flex; align-items: center; gap: 9px; margin: 17px 0; color: var(--muted); font-size: .85rem; }
.login-submit { width: 100%; min-height: 50px; color: var(--green-950); border: 0; border-radius: 10px; background: var(--gold); cursor: pointer; font-weight: 900; }
.validation-summary, .field-error { color: var(--danger); font-size: .78rem; }
.validation-summary ul { padding-left: 18px; }
.simple-message { max-width: 650px; margin: 80px auto; padding: 40px; text-align: center; border-radius: 20px; background: var(--white); }
.simple-message a { color: var(--green-800); font-weight: 800; }

@media (max-width: 1180px) {
    .metric-grid { grid-template-columns: repeat(3, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
    .prospects-heading { align-items: flex-start; flex-direction: column; }
    .filters-form { width: 100%; justify-content: flex-start; }
}
@media (max-width: 820px) {
    .admin-sidebar { position: static; width: auto; min-height: auto; padding: 16px; flex-direction: row; align-items: center; gap: 15px; }
    .admin-brand { margin: 0 auto 0 0; }
    .admin-brand span { display: none; }
    .admin-sidebar nav { display: flex; }
    .admin-sidebar nav a { font-size: 0; }
    .admin-sidebar nav span { font-size: 1rem; }
    .logout-form { margin: 0; }
    .logout-form button { font-size: 0; width: 42px; }
    .logout-form button::after { content: '↪'; font-size: 1rem; }
    .admin-main { margin-left: 0; padding: 25px 18px; }
    .dashboard-header { flex-direction: column; }
    .login-shell { grid-template-columns: 1fr; }
    .login-visual { min-height: 390px; padding: 34px; }
}
@media (max-width: 620px) {
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .metric-grid article { padding: 16px; }
    .dashboard-actions { width: 100%; }
    .dashboard-actions a { flex: 1; }
    .filters-form input { min-width: 100%; width: 100%; }
    .login-page { padding: 0; background: var(--white); }
    .login-shell { min-height: 100vh; border: 0; border-radius: 0; }
    .login-visual { min-height: 310px; padding: 28px; }
    .login-visual h1 { font-size: 2.35rem; }
    .login-form-panel { padding: 34px 24px; }
}