:root {
    /* Fundo: quase-preto quente, tipo couro/espresso -- não mais azul-marinho */
    --primary: #171310;
    --primary-dark: #171310;
    --secondary: #241d17;

    /* Texto: marfim envelhecido, não branco puro */
    --text-light: #f3e9d8;
    --text-gray: #a6957e;

    /* Vermelho de poste de barbeiro (era um rosa neon) */
    --accent: #a13a2f;
    --accent-light: #c1584a;

    /* Latão / cobre (era dourado neon) */
    --gold: #c08a3e;
    --gold-dark: #8f6425;

    --bg-dark: #14100d;
    --bg-card: #221c17;
    --border-color: #4a3c2e;

    --success: #5d8c4a;
    --warning: #c78a2e;
    --danger: #a13a2f;
    --info: #4a7a8c;

    --gradient-primary: linear-gradient(135deg, #a13a2f 0%, #7a2a22 100%);
    --gradient-gold: linear-gradient(135deg, #c08a3e 0%, #8f6425 100%);
    --gradient-dark: linear-gradient(160deg, #241d17 0%, #14100d 100%);

    /* Assinatura visual: listra de poste de barbeiro */
    --stripe: repeating-linear-gradient(
            45deg,
            #a13a2f 0px, #a13a2f 14px,
            #f3e9d8 14px, #f3e9d8 20px,
            #c08a3e 20px, #c08a3e 34px
    );
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    padding: 12px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
.header {
    background: var(--gradient-dark);
    padding: 18px 24px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* Listra de poste de barbeiro no topo -- a assinatura visual do painel */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--stripe);
}

.header-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.header h1 {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-weight: 400;
    letter-spacing: 2px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.7em;
    margin-bottom: 2px;
}

.header p {
    color: var(--text-gray);
    font-size: 0.8em;
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 10px;
    padding: 16px 18px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    margin-bottom: 16px;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--gold);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    border-color: var(--gold);
}

.card h2 {
    color: var(--text-light);
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 12px;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-icon {
    width: 26px;
    height: 26px;
    background: var(--gradient-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    flex-shrink: 0;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

/* Form Elements */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    color: var(--gold);
    font-weight: 600;
    font-size: 0.72em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85em;
    background: var(--secondary);
    color: var(--text-light);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(192, 138, 62, 0.18);
}

.form-group textarea {
    resize: vertical;
    min-height: 60px;
}

/* Buttons */
.btn {
    padding: 9px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.8em;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.3);
}

.btn-gold {
    background: var(--gradient-gold);
    color: #14100d;
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
}

.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
}

/* Horários Disponíveis */
.horarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.horario-item {
    padding: 18px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.horario-disponivel {
    background: rgba(93, 140, 74, 0.12);
    border-color: var(--success);
    color: var(--success);
}

.horario-disponivel:hover {
    background: var(--success);
    color: var(--bg-dark);
}

.horario-indisponivel {
    background: rgba(161, 58, 47, 0.12);
    border-color: var(--accent);
    color: var(--accent);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Agendamentos List */
.agendamento-item {
    background: var(--secondary);
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--gold);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.agendamento-item:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.agendamento-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.agendamento-cliente {
    font-size: 1em;
    font-weight: 700;
    color: var(--gold);
}

.agendamento-status {
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.65em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-agendado {
    background: var(--info);
    color: var(--text-light);
}

.status-confirmado {
    background: var(--gradient-gold);
    color: #14100d;
}

.status-concluido {
    background: var(--success);
    color: var(--text-light);
}

.status-cancelado {
    background: var(--gradient-primary);
    color: var(--text-light);
}

.agendamento-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.info-label {
    color: var(--text-gray);
    font-size: 0.65em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    color: var(--text-light);
    font-size: 0.85em;
    font-weight: 600;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

.stat-card {
    background: var(--gradient-dark);
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    border-top: 2px solid var(--gold);
    text-align: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--gold);
}

.stat-number {
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-size: 1.2em;
    font-weight: 400;
    letter-spacing: 0.5px;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
}

.stat-label {
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 0.58em;
    font-weight: 600;
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px;
}

.spinner {
    width: 44px;
    height: 44px;
    border: 4px solid rgba(161, 58, 47, 0.25);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2em;
    }

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

    .horarios-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* Seções retráteis (Fechamento de Caixa, Relatórios, Dashboard) */
.secao-retratil summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Bebas Neue', 'Inter', sans-serif;
    font-weight: 400;
    letter-spacing: 1px;
    font-size: 1.05rem;
    color: var(--text-light);
}

.secao-retratil summary::-webkit-details-marker {
    display: none;
}

.secao-retratil .seta {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--gold);
    transition: transform 0.2s ease;
}

.secao-retratil[open] .seta {
    transform: rotate(90deg);
}

/* Abas de Manutenção */
.tab-manutencao {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-gray);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.tab-manutencao.ativa {
    background: var(--gradient-gold);
    color: #1a1a2e;
    border-color: transparent;
}

.tabela-manutencao {
    width: 100%;
    border-collapse: collapse;
}

.tabela-manutencao th {
    text-align: left;
    padding: 8px;
    color: var(--text-gray);
    font-size: 0.75rem;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
}

.tabela-manutencao td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border-color);
}