:root {
    --bg-a: #f4efe6;
    --bg-b: #d8e8f0;
    --text: #13232f;
    --text-soft: #425c6d;
    --surface: rgba(255, 255, 255, 0.84);
    --surface-strong: #ffffff;
    --line: rgba(19, 35, 47, 0.12);
    --brand: #0f7fa3;
    --brand-strong: #0a5c78;
    --accent: #e86c3a;
    --ok: #188a49;
    --warn-bg: #fff1d9;
    --warn-text: #6a4704;
    --shadow: 0 14px 40px rgba(19, 35, 47, 0.12);
}

body[data-theme="dark"] {
    --bg-a: #0f1d26;
    --bg-b: #1b2d38;
    --text: #e6f2f8;
    --text-soft: #abc3d1;
    --surface: rgba(14, 29, 38, 0.9);
    --surface-strong: #132733;
    --line: rgba(171, 195, 209, 0.22);
    --brand: #3cb0d8;
    --brand-strong: #7ccfe9;
    --accent: #ff8f63;
    --ok: #32c475;
    --warn-bg: rgba(255, 195, 103, 0.12);
    --warn-text: #ffd894;
    --shadow: 0 16px 38px rgba(3, 8, 12, 0.45);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Barlow", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 12%, rgba(232, 108, 58, 0.22), transparent 30%),
        radial-gradient(circle at 85% 20%, rgba(15, 127, 163, 0.24), transparent 28%),
        linear-gradient(145deg, var(--bg-a), var(--bg-b));
    transition: background 0.35s ease, color 0.25s ease;
}

.bg-shape {
    position: fixed;
    border-radius: 999px;
    filter: blur(50px);
    opacity: 0.28;
    pointer-events: none;
    z-index: -1;
}

.bg-shape-1 {
    width: 320px;
    height: 320px;
    top: -90px;
    right: -90px;
    background: #eb7b4f;
}

.bg-shape-2 {
    width: 280px;
    height: 280px;
    left: -70px;
    bottom: -90px;
    background: #178cb4;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 30px 18px 36px;
}

header {
    margin-bottom: 20px;
    text-align: center;
    animation: fadeUp 0.45s ease-out;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.kicker {
    margin: 0;
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(15, 127, 163, 0.14);
    color: var(--brand-strong);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

h1 {
    margin: 12px 0 8px;
    font-family: "Sora", sans-serif;
    font-size: clamp(2rem, 4.8vw, 3rem);
    letter-spacing: -0.02em;
}

.subtitle {
    margin: 0;
    color: var(--text-soft);
    font-size: 1.02rem;
}

main {
    display: grid;
    gap: 16px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(8px);
    animation: fadeUp 0.4s ease-out;
}

h2,
h3 {
    margin: 0 0 12px;
    font-family: "Sora", sans-serif;
    letter-spacing: -0.01em;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.input-group {
    margin-bottom: 12px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text);
}

input[type="text"] {
    width: 100%;
    border: 1px solid color-mix(in srgb, var(--line) 92%, #9ec6d7 8%);
    border-radius: 11px;
    padding: 11px 12px;
    font-size: 0.98rem;
    font-family: "Barlow", sans-serif;
    color: var(--text);
    background: color-mix(in srgb, var(--surface-strong) 75%, transparent);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 26%, transparent);
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

button {
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 10px 15px;
    font-weight: 700;
    font-family: "Barlow", sans-serif;
    font-size: 0.94rem;
    cursor: pointer;
    transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease;
}

button:hover {
    transform: translateY(-1px);
    filter: brightness(0.98);
}

button:active {
    transform: translateY(0);
}

.btn-diagnosticar {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 6px 16px color-mix(in srgb, var(--brand) 35%, transparent);
}

.btn-salvar {
    background: var(--ok);
    color: #fff;
}

.btn-adicionar {
    background: var(--accent);
    color: #fff;
}

.btn-secondary,
.btn-theme {
    background: color-mix(in srgb, var(--surface-strong) 72%, transparent);
    color: var(--text);
    border-color: var(--line);
}

.btn-theme {
    min-width: 120px;
}

#causas-list {
    list-style: none;
    margin: 0 0 14px;
    padding: 0;
}

#causas-list li {
    border: 1px solid var(--line);
    border-left: 4px solid var(--ok);
    border-radius: 10px;
    margin-bottom: 8px;
    padding: 10px 12px;
    background: color-mix(in srgb, var(--surface-strong) 86%, transparent);
}

.hint {
    margin: 10px 0 0;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 10px;
}

.chip {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--surface-strong) 80%, transparent);
    color: var(--text-soft);
    font-size: 0.84rem;
}

.aviso {
    margin-top: 10px;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid color-mix(in srgb, var(--warn-text) 25%, transparent);
    background: var(--warn-bg);
    color: var(--warn-text);
    font-size: 0.9rem;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

#historico-list {
    margin-top: 8px;
}

.diagnostico-item {
    border: 1px solid var(--line);
    border-left: 4px solid #c17a1f;
    border-radius: 11px;
    background: color-mix(in srgb, var(--surface-strong) 90%, transparent);
    padding: 12px;
    margin: 9px 0;
}

.diagnostico-item h4 {
    margin: 0 0 8px;
    text-transform: capitalize;
}

.diagnostico-item p {
    margin: 4px 0;
    color: var(--text-soft);
}

.empty {
    margin: 0;
    color: var(--text-soft);
    border: 1px dashed var(--line);
    border-radius: 10px;
    padding: 12px;
    background: color-mix(in srgb, var(--surface-strong) 66%, transparent);
}

footer {
    text-align: center;
    margin-top: 14px;
    color: var(--text-soft);
    font-size: 0.88rem;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 760px) {
    .container {
        padding: 20px 14px 26px;
    }

    .header-top {
        flex-direction: column;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .section-head {
        flex-direction: column;
        align-items: stretch;
    }

    .section-head button,
    .actions button,
    .btn-theme {
        width: 100%;
    }
}