* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

body {
    background: linear-gradient(135deg, #0A4A6E 0%, #0A85ED 100%);
    min-height: 100vh;
}

/* ========== LOGIN ========== */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: rgba(26, 42, 50, 0.75);
    backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 30px 20px;
    width: 100%;
    max-width: 380px;
    text-align: center;
    border: 1px solid #00B4D8;
    box-shadow: 0 25px 45px rgba(0,0,0,0.5);
}

.login-card h2 {
    color: #00E5FF;
    margin: 15px 0 5px;
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 24px;
}

.login-icon {
    font-size: 56px;
    background: #5A4A42;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    margin: 0 auto;
    box-shadow: 0 0 0 4px #00B4D8;
}

input, button {
    width: 100%;
    padding: 14px;
    margin: 10px 0;
    border: none;
    border-radius: 60px;
    font-size: 16px;
}

input {
    background: #2A3A40;
    color: white;
    text-indent: 15px;
    border: 1px solid #00B4D8;
}

input::placeholder {
    color: #88AAB5;
}

button {
    background: #5A4A42;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #3E2F2A;
    transform: scale(1.02);
}

.erro {
    background: #D9534F;
    color: white;
    padding: 10px;
    border-radius: 60px;
    margin: 10px 0;
}

.credencial {
    color: #88AAB5;
    font-size: 12px;
    margin-top: 20px;
}

/* ========== DASHBOARD RESPONSIVO ========== */
.dash-container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* BOTÃO HAMBÚRGUER (só aparece no celular) */
.menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: #00B4D8;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    color: #1a2a32;
}

/* SIDEBAR - desktop */
.sidebar {
    width: 280px;
    background: #5A4A42;
    background-image: linear-gradient(145deg, #6B5B53, #4A3C35);
    color: white;
    padding: 30px 20px;
    box-shadow: 5px 0 20px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid #00B4D8;
    display: block;
    width: 100%;
    padding-bottom: 12px;
    color: #00E5FF;
}

.menu-item {
    padding: 15px;
    margin: 10px 0;
    background: rgba(0,0,0,0.3);
    border-radius: 20px;
    cursor: pointer;
    transition: 0.2s;
    text-align: center;
    font-weight: bold;
    color: #E0E0E0;
}

.menu-item:hover, .menu-item.active {
    background: #00B4D8;
    color: #1a2a32;
    transform: translateX(8px);
}

/* CONTEÚDO PRINCIPAL */
.content {
    flex: 1;
    padding: 20px;
    background: rgba(26, 42, 50, 0.85);
    backdrop-filter: blur(4px);
    border-radius: 40px 0 0 0;
    margin: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.card {
    background: rgba(42, 58, 64, 0.7);
    border-radius: 24px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 10px solid #00B4D8;
}

.card h3 {
    color: #00E5FF;
    margin-bottom: 15px;
    font-size: 20px;
}

/* LINKS */
.link-item {
    background: #2A3A40;
    margin: 10px 0;
    padding: 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: 0.2s;
    border: 1px solid #00B4D8;
}

.link-item:hover {
    background: #3A4A50;
    transform: scale(1.01);
}

.link-item strong {
    color: #00E5FF;
    font-size: 16px;
}

.link-url {
    font-family: monospace;
    color: #88AAB5;
    word-break: break-all;
    font-size: 11px;
    margin-top: 6px;
}

.badge {
    background: #00B4D8;
    color: #1a2a32;
    padding: 3px 10px;
    border-radius: 30px;
    font-size: 10px;
    font-weight: bold;
    margin-left: 8px;
    display: inline-block;
}

.badge-downloader {
    background: #5A4A42;
    color: #00E5FF;
    padding: 3px 10px;
    border-radius: 30px;
    font-size: 10px;
    font-weight: bold;
    margin-left: 8px;
    display: inline-block;
}

.credencial-info {
    font-size: 10px;
    color: #88AAB5;
    margin-top: 8px;
    border-top: 1px dashed #00B4D8;
    padding-top: 6px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ESTATÍSTICAS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card {
    background: linear-gradient(135deg, #2A3A40, #1A2A30);
    border-radius: 20px;
    padding: 15px;
    text-align: center;
    border-bottom: 4px solid #00B4D8;
}

.stat-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #00E5FF;
}

.stat-label {
    color: #88AAB5;
    font-size: 11px;
    margin-top: 6px;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: #2A3A40;
    border-radius: 28px;
    padding: 25px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    border-top: 10px solid #00B4D8;
    color: white;
}

.modal-content h3 {
    color: #00E5FF;
    font-size: 22px;
}

.modal-content p {
    word-break: break-all;
    font-size: 14px;
}

.btn-modal {
    background: #00B4D8;
    color: #1a2a32;
    border: none;
    padding: 12px 20px;
    border-radius: 40px;
    margin: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 14px;
}

.btn-modal.cancel {
    background: #5A4A42;
    color: white;
}

/* ADMIN PAGE RESPONSIVO */
.admin-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.admin-card {
    background: #2A3A40;
    border-radius: 24px;
    padding: 15px;
    flex: 1;
    min-width: 280px;
    border-top: 6px solid #00B4D8;
    max-height: 60vh;
    overflow-y: auto;
}

.admin-card h3, .admin-card h4 {
    color: #00E5FF;
    font-size: 18px;
}

.admin-card hr {
    border-color: #00B4D8;
    margin: 12px 0;
}

.admin-card input, .admin-card select, .admin-card textarea {
    background: #1A2A30;
    color: white;
    border: 1px solid #00B4D8;
    padding: 10px;
    border-radius: 40px;
    width: 100%;
    margin-bottom: 8px;
    font-size: 14px;
}

.voltar {
    background: #00B4D8;
    display: inline-block;
    padding: 10px 18px;
    border-radius: 40px;
    color: #1a2a32;
    text-decoration: none;
    margin-bottom: 15px;
    font-weight: bold;
    font-size: 14px;
}

.btn-excluir {
    background: #5A4A42;
    padding: 5px 12px;
    border-radius: 30px;
    color: white;
    text-decoration: none;
    font-size: 11px;
    display: inline-block;
}

.btn-add {
    background: #00B4D8;
    color: #1a2a32;
    border: none;
    padding: 10px 20px;
    border-radius: 40px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
}

.campo-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.campo-row input {
    flex: 1;
    min-width: 120px;
}

/* ========== RESPONSIVIDADE CELULAR ========== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        width: 260px;
        transform: translateX(-100%);
        z-index: 1000;
        padding-top: 70px;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin: 15px 10px;
        padding: 15px;
        width: 100%;
        border-radius: 25px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-number {
        font-size: 28px;
    }

    .card {
        padding: 15px;
    }

    .card h3 {
        font-size: 18px;
    }

    .link-item strong {
        font-size: 15px;
    }

    .badge, .badge-downloader {
        font-size: 9px;
        padding: 2px 8px;
    }

    .admin-card {
        max-height: 50vh;
        min-width: 100%;
    }

    body {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-icon {
        font-size: 28px;
    }

    .stat-label {
        font-size: 10px;
    }

    .content {
        margin: 10px 8px;
        padding: 12px;
    }
}