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

:root {
    --bg: #0b1220;
    --surface: #131b2e;
    --border: #1e2a42;
    --border-hover: #2a3a5c;
    --text: #e6e9ef;
    --text-muted: #6b7a94;
    --accent: #4a7dff;
    --accent-hover: #3a6ae8;
    --green: #3ddc84;
    --green-bg: rgba(50, 205, 100, 0.1);
    --red: #ff6b7a;
    --red-bg: rgba(255, 107, 122, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ═══════════════ LOGIN ═══════════════ */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem 2rem;
    width: 100%;
    max-width: 380px;
    margin: 1rem;
}

.login-card h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.5rem; }
.login-card .subtitle { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 1.5rem; }
.login-card .otp-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin: 1.25rem 0 0.4rem; }
.login-card .btn { margin-top: 0.75rem; }
.login-card .btn:first-of-type { margin-top: 0; }
.status { margin-top: 1rem; color: var(--text-muted); font-size: 0.8rem; min-height: 1.2em; }

/* ═══════════════ INPUTS ═══════════════ */

.input {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9375rem;
    outline: none;
    transition: border-color 0.15s;
}

.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--text-muted); }

/* ═══════════════ BUTTONS ═══════════════ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.625rem 1rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
    white-space: nowrap;
}

.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary { background: var(--border); color: var(--text-muted); }
.btn-secondary:hover { background: var(--border-hover); }

.btn-icon {
    width: auto;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
    background: var(--border);
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-icon:hover { background: var(--border-hover); }
.btn-danger { background: var(--red-bg); color: var(--red); }
.btn-danger:hover { background: rgba(255, 107, 122, 0.2); }

/* ═══════════════ HEADER ═══════════════ */

header {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.25rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 0.75rem;
}

header h1 { font-size: 1.125rem; font-weight: 600; margin-right: auto; white-space: nowrap; }

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.header-actions .btn,
.header-actions .btn-secondary {
    width: auto;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.search-input { width: 260px; }

/* ═══════════════ CARDS ═══════════════ */

main {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}

.card:hover { border-color: var(--border-hover); }

.card-left {
    padding: 1rem 1.25rem;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.card-right {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.card-actions {
    display: flex;
    gap: 0.35rem;
    margin-top: 0.5rem;
}

/* ═══════════════ FIELDS ═══════════════ */

.field {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.field-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    min-width: 110px;
    flex-shrink: 0;
    font-weight: 500;
}

.field-value {
    font-size: 0.9rem;
}

.field-value.name {
    font-weight: 600;
}

.mono {
    font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ═══════════════ VACCINATIONS ═══════════════ */

.card-right > .field-label {
    margin-bottom: 0.35rem;
    font-size: 0.75rem;
}

.vac-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.vac-border-done { border-left: 3px solid var(--green); }
.vac-border-partial { border-left: 3px solid #ffc832; }
.vac-border-missing { border-left: 3px solid var(--red); }

.vac-name {
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.15rem;
    color: var(--text);
}

.dose-line {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.05rem 0;
    font-size: 0.8rem;
    font-weight: 500;
}

.dose-date { font-weight: 400; }
.dose-done { color: var(--green); }
.dose-pending { color: #ffc832; }
.dose-overdue { color: var(--red); }

.vac-loading, .vac-empty {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 0.25rem 0;
}

/* ═══════════════ MODAL ═══════════════ */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 1rem;
}

.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    width: 100%;
    max-width: 440px;
}

.modal-content h2 { font-size: 1.0625rem; font-weight: 600; margin-bottom: 1.25rem; }
.modal-content label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; margin-top: 0.75rem; }
.modal-content label:first-of-type { margin-top: 0; }
.modal-content .input { margin-bottom: 0; }
.modal-actions { display: flex; gap: 0.5rem; margin-top: 1.5rem; }
.modal-actions .btn { flex: 1; }

/* ═══════════════ SMS ═══════════════ */

/* ═══════════════ TABS ═══════════════ */

.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 0.65rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.tab-count {
    font-size: 0.7rem;
    background: var(--border);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.3rem;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.sms-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 0.4rem;
    border-left: 3px solid var(--border);
}

.sms-overdue { border-left-color: var(--red); }
.sms-upcoming { border-left-color: #ffc832; }
.sms-sent { border-left-color: var(--green); opacity: 0.6; }
.sms-pending-queue { border-left-color: var(--accent); }

.sms-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.sms-patient { font-weight: 600; font-size: 0.875rem; }
.sms-infection { color: var(--text); font-size: 0.85rem; }
.sms-dose { font-weight: 500; font-size: 0.8rem; color: var(--text-muted); }
.sms-date-upcoming { font-size: 0.8rem; color: var(--text-muted); }
.sms-phone { font-weight: 600; font-family: 'SF Mono', monospace; font-size: 0.85rem; }
.sms-status-tag { font-size: 0.7rem; text-transform: uppercase; color: var(--text-muted); }
.sms-row-right { margin-left: auto; }

.tag-overdue {
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background: var(--red-bg);
    color: var(--red);
    font-weight: 500;
}

.tag-sent {
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background: var(--green-bg);
    color: var(--green);
}

.tag-nophone {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

.sms-text {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text);
    margin: 0.4rem 0;
}

.sms-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.35rem;
}

.btn-send {
    width: auto;
    padding: 0.35rem 0.9rem;
    font-size: 0.8rem;
    background: var(--green);
    color: #000;
    font-weight: 500;
}

.btn-send:hover { background: #35c878; }

.sms-action-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sms-confirm {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
}

.sms-confirm input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--green);
    cursor: pointer;
}

.sms-confirm input[type="checkbox"]:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-more {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.4rem;
    background: none;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.btn-more:hover { border-color: var(--accent); color: var(--accent); }

/* ═══════════════ ALERTS ═══════════════ */

.alert-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid var(--border);
}

.alert-critical { border-left-color: var(--red); background: rgba(255, 107, 122, 0.04); }
.alert-warning { border-left-color: #ffc832; }

.alert-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}

.alert-severity {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}

.alert-critical .alert-severity { background: var(--red-bg); color: var(--red); }
.alert-warning .alert-severity { background: rgba(255, 200, 50, 0.15); color: #ffc832; }

.alert-patient { font-weight: 600; font-size: 0.875rem; }
.alert-source { font-size: 0.7rem; color: var(--text-muted); padding: 0.1rem 0.4rem; background: var(--border); border-radius: 4px; }
.alert-date { font-size: 0.75rem; color: var(--text-muted); margin-left: auto; }

.alert-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.25rem; }
.alert-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }

.alert-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }

/* ═══════════════ EMPTY ═══════════════ */

.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 4rem 1rem;
    font-size: 0.9375rem;
}

/* ═══════════════ RESPONSIVE ═══════════════ */

@media (max-width: 768px) {
    header { flex-wrap: wrap; }
    header h1 { width: 100%; margin-right: 0; }
    .header-actions { width: 100%; flex-wrap: wrap; }
    .search-input { width: 100%; order: -1; }
    .header-actions .btn, .header-actions .btn-secondary { flex: 1; }
    main { padding: 0.75rem; }
    .card { grid-template-columns: 1fr; }
    .card-left { border-right: none; border-bottom: 1px solid var(--border); }
}