:root {
    --bg-color: #e0e5ec;
    --shadow-dark: #a3b1c6;
    --shadow-light: #ffffff;
    --text-main: #4d5e7a;
    --accent: #3182ce;
    --red: #e53e3e;
    --green: #38a169;
    --yellow: #d69e2e;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    overflow-x: hidden;
}

/* --- NEUMORPHISM UTILITIES --- */
.neu-raised { box-shadow: 9px 9px 16px var(--shadow-dark), -9px -9px 16px var(--shadow-light); }
.neu-raised-sm { box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light); }
.neu-inset { box-shadow: inset 6px 6px 12px var(--shadow-dark), inset -6px -6px 12px var(--shadow-light); }
.neu-btn { transition: all 0.2s ease; cursor: pointer; border: none; outline: none; }
.neu-btn:active { box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light); transform: translateY(2px); }

/* --- SIDEBAR --- */
.sidebar {
    width: 280px;
    background: var(--bg-color);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 5px 0 15px rgba(0,0,0,0.05);
}

.logo-area { padding: 40px 30px; display: flex; align-items: center; gap: 15px; }
.brand-circle {
    width: 45px; height: 45px; border-radius: 50%;
    background: var(--bg-color); display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 14px; color: var(--text-main);
    box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
}
.brand-text .main { font-weight: 800; color: var(--text-main); font-size: 14px; }
.brand-text .sub { font-size: 11px; color: var(--accent); font-weight: 700; letter-spacing: 1px; text-transform: uppercase;}

.action-area { padding: 0 30px 20px 30px; }
.neu-btn-large {
    display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 14px;
    background: var(--bg-color); color: var(--accent); border-radius: 12px; font-weight: 700;
    box-shadow: 6px 6px 10px var(--shadow-dark), -6px -6px 10px var(--shadow-light);
    text-decoration: none;
}

.menu-container { flex: 1; overflow-y: auto; padding: 20px 30px; }
.menu-header { font-size: 10px; font-weight: 800; color: #a3b1c6; margin-bottom: 10px; letter-spacing: 1px; text-transform: uppercase; margin-top: 20px; }
.menu-header:first-child { margin-top: 0; }
.menu-link {
    display: flex; align-items: center; padding: 12px 15px; color: var(--text-main);
    text-decoration: none; border-radius: 12px; font-size: 14px; font-weight: 600;
    transition: all 0.3s ease; margin-bottom: 8px;
}
.menu-link:hover { box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light); color: var(--accent); }
.menu-link.active { box-shadow: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light); color: var(--accent); }

.neu-badge {
    margin-left: auto; font-size: 10px; font-weight: 800; background: var(--bg-color); color: var(--accent);
    padding: 2px 8px; border-radius: 10px; box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light);
}

/* --- CONTENT AREA --- */
main { margin-left: 280px; min-height: 100vh; padding: 40px; position: relative; }

.neu-card { background: var(--bg-color); border-radius: 24px; padding: 24px; box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light); margin-bottom: 20px; }
.neu-input {
    background: var(--bg-color); border-radius: 12px; padding: 12px 16px; width: 100%; border: none; outline: none;
    box-shadow: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
    transition: all 0.3s;
    box-sizing: border-box;
}
.neu-input:focus { box-shadow: inset 2px 2px 4px var(--shadow-dark), inset -2px -2px 4px var(--shadow-light); border: 1px solid var(--accent); }

/* Animation */
.fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Modals */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px);
    display: none; align-items: center; justify-content: center; z-index: 2000;
}
.modal-overlay.active { display: flex; }

/* Status Colors */
.status-badge { font-size: 9px; font-weight: 900; text-transform: uppercase; px: 3; py: 1; border-radius: 8px; padding: 4px 8px; display: inline-block; }
.status-expired { color: var(--red); background: rgba(229, 62, 62, 0.1); }
.status-warning { color: var(--yellow); background: rgba(214, 158, 46, 0.1); }
.status-valid { color: var(--green); background: rgba(56, 161, 105, 0.1); }
.status-unknown { color: var(--text-main); opacity: 0.5; background: rgba(0,0,0,0.05); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--shadow-dark); border-radius: 10px; }