:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e5e7eb;
    --success: #16a34a;
    --error: #dc2626;
}

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

/* ===== BASE ===== */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
}

.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 28px;
    background-color: var(--card);
    border-radius: 16px;
    box-shadow:
        0 10px 25px rgba(0,0,0,0.04),
        0 1px 2px rgba(0,0,0,0.04);
}

/* ===== TÍTULOS ===== */
h1, h2 {
    font-weight: 600;
    letter-spacing: -0.02em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 14px;
    margin-bottom: 24px;
}

/* ===== LINKS ===== */
a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* ===== NAV ===== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 36px;
}

nav div a {
    margin-left: 16px;
    font-size: 0.9rem;
}

/* ===== INPUTS ===== */
input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-size: 0.95rem;
    font-family: inherit;
    background-color: #fff;
}

input::placeholder,
textarea::placeholder {
    color: #94a3b8;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}

textarea {
    resize: vertical;
    min-height: 90px;
}

/* ===== BOTÕES ===== */
button,
.btn-request {
    padding: 12px 20px;
    border-radius: 10px;
    border: none;
    background-color: var(--primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background .2s ease, transform .1s ease, box-shadow .1s ease;
}

button:hover,
.btn-request:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 15px rgba(79,70,229,.25);
}

button:disabled,
.btn-request:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ===== LOGIN ===== */
.login-form {
    max-width: 420px;
    margin: 50px auto;
}

.login-form div {
    margin-bottom: 18px;
}

.login-form label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 6px;
    display: block;
}

.login-form button {
    width: 100%;
}

/* Botão secundário */
.btn-secondary {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background-color: #f1f5f9;
    color: var(--text);
    text-align: center;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

/* ===== FORM CLIENTE ===== */
.form-group {
    margin-bottom: 22px;
    padding: 18px;
    border-radius: 14px;
    background-color: #f8fafc;
    border: 1px solid var(--border);
}

.form-group label {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 6px;
    display: block;
}

.form-inline {
    display: flex;
    gap: 18px;
}

.form-inline div {
    flex: 1;
}

/* ===== BUSCA ===== */
#search-form {
    display: flex;
    gap: 14px;
    margin: 28px 0;
}

#search-form input {
    flex: 1;
}

/* ===== MENSAGENS ===== */
#message-container {
    margin: 22px 0;
    text-align: center;
    font-weight: 500;
}

.success { color: var(--success); }
.error { color: var(--error); }

/* ===== RESULTADOS ===== */
#results-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.result-card {
    display: flex;
    gap: 18px;
    padding: 18px;
    border-radius: 16px;
    background-color: var(--card);
    border: 1px solid var(--border);
    transition: box-shadow .2s ease, transform .2s ease;
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.06);
}

.result-card img {
    width: 110px;
    height: 165px;
    object-fit: cover;
    border-radius: 10px;
}

.card-content {
    flex: 1;
}

.result-card h3 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.result-card p {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 14px;
}

/* ===== TABELA ADMIN ===== */
.requests-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 28px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.04);
}

.requests-table th,
.requests-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.requests-table th {
    background-color: #f8fafc;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.requests-table tr:hover {
    background-color: #f9fafb;
}

/* Mensagem admin */
.requests-table .message-row td {
    background-color: #f8fafc;
    font-size: 0.85rem;
    color: #334155;
}

.requests-table .message-row strong {
    color: var(--primary);
}

/* Botão deletar */
.btn-delete {
    padding: 7px 12px;
    font-size: 0.75rem;
    background-color: var(--error);
    border-radius: 8px;
    color: #fff;
}

.btn-delete:hover {
    background-color: #b91c1c;
}

/* ===== RESPONSIVO ===== */
@media (max-width: 700px) {
    .form-inline {
        flex-direction: column;
    }

    .result-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .result-card img {
        width: 150px;
        height: auto;
    }
}