@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%); /* Dark Teal/Blue gradient */
    --card-bg: #1e2a33;
    --text-color: #ffffff;
    --text-muted: #a0a0a0;
    --accent-color: #ff7e5f; /* Salmon/Orange */
    --accent-hover: #feb47b;
    --input-bg: #2c3e50;
    --input-border: #34495e;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --border-radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--primary-gradient);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Card Layout */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.card-header {
    margin-bottom: 30px;
    text-align: center;
}

.card-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.card-header p {
    color: var(--text-muted);
}

/* Navigation */
.nav-menu {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.nav-btn {
    text-decoration: none;
    color: var(--text-color);
    padding: 10px 20px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn:hover, .nav-btn.active {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 126, 95, 0.4);
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input, .form-group select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 12px 15px;
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(255, 126, 95, 0.2);
}

.btn-submit {
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
}

.btn-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 126, 95, 0.4);
}

/* Lists/Tables */
.list-container {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.list-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s ease;
}

.list-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.08);
}

.item-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.item-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

.btn-edit, .btn-delete {
    border: none;
    border-radius: 5px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-edit {
    background: #3498db;
    color: white;
}

.btn-edit:hover {
    background: #2980b9;
}

.btn-delete {
    background: var(--danger-color);
    color: white;
}

.btn-delete:hover {
    background: #c0392b;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.alert.success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid var(--success-color);
    color: var(--success-color);
    display: block;
}

.alert.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    display: block;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.dashboard-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid transparent;
}

.dashboard-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.dashboard-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.dashboard-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}


/* =========================
   RESPONSIVIDADE GLOBAL
========================= */

/* Tablets (até 1024px) */
@media (max-width: 1024px) {
    .card {
        padding: 30px;
        max-width: 100%;
    }

    .card-header h2 {
        font-size: 1.8rem;
    }

    .dashboard-card h3 {
        font-size: 1.3rem;
    }
}

/* Celulares (até 768px) */
@media (max-width: 768px) {
    body {
        padding: 10px;
        align-items: flex-start;
    }

    .card {
        padding: 25px 20px;
        border-radius: 10px;
    }

    .card-header h2 {
        font-size: 1.5rem;
    }

    .card-header p {
        font-size: 0.9rem;
    }

    /* Menu de navegação */
    .nav-menu {
        gap: 10px;
    }

    .nav-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    /* Formulários */
    .form-group input,
    .form-group select {
        font-size: 0.95rem;
        padding: 10px 12px;
    }

    .btn-submit {
        font-size: 0.95rem;
        padding: 12px;
    }

    /* Listas */
    .list-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .item-actions {
        width: 100%;
        justify-content: flex-end;
    }

    /* Dashboard */
    .dashboard-card {
        padding: 25px;
    }

    .dashboard-card i {
        font-size: 2.5rem;
    }
}

/* Celulares pequenos (até 480px) */
@media (max-width: 480px) {
    .card-header h2 {
        font-size: 1.3rem;
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-btn {
        justify-content: center;
        width: 100%;
    }

    .btn-edit,
    .btn-delete {
        padding: 7px 10px;
        font-size: 0.8rem;
    }

    .item-info h3 {
        font-size: 1rem;
    }

    .item-info p {
        font-size: 0.85rem;
    }

    .dashboard-card h3 {
        font-size: 1.2rem;
    }
}