:root {
    --bg-dark: #050505;
    --bg-glass: rgba(20, 20, 25, 0.4);
    --border-glass: rgba(255, 255, 255, 0.05);
    --primary: #7c3aed;
    --primary-hover: #6d28d9;
    --secondary: #10b981;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #e11d48;
    --success: #059669;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Premium Animated Background */
.bg-animated {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 10% 20%, rgba(124, 58, 237, 0.15), transparent 30%),
                radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.1), transparent 30%),
                radial-gradient(circle at 50% 50%, rgba(20, 20, 25, 1), #050505 100%);
    filter: blur(80px);
    animation: drift 20s infinite alternate linear;
}

@keyframes drift {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255,255,255,0.05);
}

.view-container { display: none; min-height: 100vh; flex-direction: column; }
.view-container.active { display: flex; animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1); }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Login Panel */
.login-panel {
    margin: auto; width: 100%; max-width: 420px; padding: 3rem; text-align: center;
}

.logo-container {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), transparent);
    width: 72px; height: 72px; border-radius: 20px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 2rem; border: 1px solid rgba(124, 58, 237, 0.3);
    box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.4);
}
.logo-icon { width: 36px; height: 36px; color: var(--text-main); }
.login-panel h2 { font-size: 1.8rem; font-weight: 600; margin-bottom: 0.5rem; letter-spacing: -0.5px; }
.subtitle { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 2.5rem; font-weight: 300; }

.input-group { position: relative; margin-bottom: 1.2rem; }
.input-group i { position: absolute; left: 1.2rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); width: 18px; height: 18px; }
.input-group input {
    width: 100%; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-glass);
    border-radius: 12px; padding: 0.9rem 1rem 0.9rem 2.8rem; color: var(--text-main);
    font-family: 'Outfit', sans-serif; font-size: 0.95rem; transition: all 0.3s;
}
.input-group input:focus { outline: none; border-color: var(--primary); background: rgba(0, 0, 0, 0.6); box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1); }

.btn-primary {
    width: 100%; background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: white;
    border: none; border-radius: 12px; padding: 1rem; font-size: 1rem; font-weight: 600;
    cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); margin-top: 2rem;
    box-shadow: 0 10px 25px -5px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 30px -5px rgba(124, 58, 237, 0.5); }

.error-msg { color: var(--danger); font-size: 0.85rem; margin-top: 1rem; min-height: 1rem; font-weight: 500; }

/* Dashboard Header */
.glass-header {
    background: rgba(5, 5, 5, 0.7); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass); padding: 1.2rem 2.5rem; display: flex; justify-content: space-between;
    align-items: center; position: sticky; top: 0; z-index: 10;
}
.header-left { display: flex; align-items: center; gap: 1rem; }
.header-icon { color: var(--primary); width: 24px; height: 24px; }
.header-left h1 { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.5px; }

.header-right { display: flex; align-items: center; gap: 2rem; }
.status-indicator { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.ping { width: 8px; height: 8px; background: var(--secondary); border-radius: 50%; box-shadow: 0 0 10px var(--secondary); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); } 70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.1); color: var(--text-main); padding: 0.6rem 1.2rem; border-radius: 8px; cursor: pointer; font-size: 0.9rem; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; transition: all 0.2s; }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.05); border-color: rgba(255,255,255,0.2); }
.btn-icon { background: transparent; border: none; color: var(--text-muted); cursor: pointer; padding: 0.4rem; border-radius: 6px; transition: all 0.2s; }
.btn-icon:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }

/* Layout & Sidebar */
.dashboard-layout { display: flex; flex: 1; max-width: 1400px; margin: 0 auto; width: 100%; gap: 2rem; padding: 2.5rem; }
.sidebar { width: 280px; padding: 1.5rem; align-self: flex-start; }
.nav-menu { display: flex; flex-direction: column; gap: 0.5rem; }
.nav-item { background: transparent; border: none; color: var(--text-muted); padding: 1rem 1.2rem; border-radius: 12px; text-align: left; font-size: 1rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 1rem; transition: all 0.3s; }
.nav-item:hover { background: rgba(255, 255, 255, 0.03); color: var(--text-main); }
.nav-item.active { background: linear-gradient(90deg, rgba(124, 58, 237, 0.15), transparent); color: var(--primary); border-left: 3px solid var(--primary); border-top-left-radius: 4px; border-bottom-left-radius: 4px; font-weight: 600; }

.dashboard-content { flex: 1; min-width: 0; }
.panel-large { padding: 2rem; min-height: 500px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-glass); }
.panel-header h2 { font-size: 1.3rem; display: flex; align-items: center; gap: 0.75rem; font-weight: 600; }

/* Grid Terminais */
.clients-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.client-card { background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-glass); border-radius: 16px; padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); position: relative; overflow: hidden; }
.client-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--secondary); opacity: 0; transition: opacity 0.3s; }
.client-card:hover { transform: translateY(-4px); border-color: rgba(124, 58, 237, 0.3); box-shadow: 0 15px 30px -10px rgba(0,0,0,0.5); }
.client-card:hover::before { opacity: 1; background: var(--primary); }

.client-header { display: flex; justify-content: space-between; align-items: center; }
.client-id { font-family: 'Outfit', monospace; font-size: 1.2rem; font-weight: 700; color: var(--text-main); letter-spacing: 1px; }
.client-status { font-size: 0.75rem; padding: 0.3rem 0.6rem; border-radius: 12px; background: rgba(16, 185, 129, 0.1); color: var(--secondary); border: 1px solid rgba(16, 185, 129, 0.2); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

.client-actions { display: flex; gap: 0.75rem; margin-top: 0.5rem; }
.btn-action { flex: 1; background: var(--border-glass); color: var(--text-main); border: 1px solid transparent; border-radius: 8px; padding: 0.7rem; font-size: 0.85rem; font-weight: 500; cursor: pointer; transition: all 0.2s; text-align: center; }
.btn-action:hover { background: rgba(255,255,255,0.1); }
.btn-action.outline { background: transparent; border: 1px solid var(--border-glass); color: var(--text-muted); }
.btn-action.outline:hover { background: rgba(225, 29, 72, 0.1); border-color: rgba(225, 29, 72, 0.3); color: var(--danger); }

/* Aba Usuários & Tabelas */
.form-container { background: rgba(0, 0, 0, 0.2); padding: 1.5rem; border-radius: 12px; border: 1px dashed rgba(255,255,255,0.1); }
.inline-form { display: flex; gap: 1rem; align-items: center; }
.inline-form input { background: rgba(0, 0, 0, 0.4); border: 1px solid var(--border-glass); border-radius: 8px; padding: 0.7rem 1rem; color: var(--text-main); flex: 1; font-family: 'Outfit', sans-serif; }
.inline-form input:focus { outline: none; border-color: var(--primary); }
.btn-small { padding: 0.6rem 1.2rem; font-size: 0.85rem; }
.btn-success { background: linear-gradient(135deg, var(--secondary), #047857); color: white; border: none; border-radius: 8px; padding: 0.7rem 1.5rem; font-weight: 600; cursor: pointer; transition: all 0.2s; box-shadow: 0 5px 15px -5px rgba(16, 185, 129, 0.4); }
.btn-success:hover { transform: translateY(-1px); box-shadow: 0 8px 20px -5px rgba(16, 185, 129, 0.5); }

.data-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 1rem; }
.data-table th, .data-table td { padding: 1.2rem 1rem; text-align: left; border-bottom: 1px solid var(--border-glass); }
.data-table th { color: var(--text-muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background 0.2s; }
.data-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.text-center { text-align: center; }

/* Updates */
.updates-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.update-card { background: rgba(0,0,0,0.3); border: 1px solid var(--border-glass); padding: 2rem; border-radius: 16px; transition: transform 0.3s; }
.update-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.1); }
.update-card h3 { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; font-size: 1.2rem; font-weight: 600; }
.update-card p.subtitle { margin-bottom: 1.5rem; font-size: 0.9rem; line-height: 1.5; }

.file-drop-area { border: 2px dashed rgba(124, 58, 237, 0.4); border-radius: 12px; padding: 3rem 2rem; text-align: center; position: relative; transition: all 0.3s; background: rgba(124, 58, 237, 0.05); cursor: pointer; }
.file-drop-area:hover { border-color: var(--primary); background: rgba(124, 58, 237, 0.1); }
.file-drop-area i { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; }
.file-drop-area input[type="file"] { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }

.progress-bar-container { width: 100%; background: rgba(0, 0, 0, 0.5); border-radius: 10px; height: 6px; margin-top: 1.5rem; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0,0,0,0.5); }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), #a78bfa); transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1); box-shadow: 0 0 10px rgba(124,58,237,0.5); }
.status-msg { margin-top: 1.2rem; font-size: 0.9rem; font-weight: 500; text-align: center; }

.empty-state { grid-column: 1 / -1; text-align: center; padding: 4rem; color: var(--text-muted); font-size: 1rem; background: rgba(0,0,0,0.2); border-radius: 16px; border: 1px dashed rgba(255,255,255,0.05); }