:root {
    --bg-dark: #050a0f;
    --card-bg: #0d161d;
    --neon-cyan: #4deeea;
    --neon-pink: #f000ff;
    --text-main: #e0fbfc;
    --text-muted: #748c94;
    --accent-gradient: linear-gradient(to right, #4deeea, #b152ff, #f000ff);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    line-height: 1.6;
}

/* --- NAVIGATION --- */
nav {
    padding: 15px 5%;
    background: rgba(5, 10, 15, 0.95);
    border-bottom: 1px solid rgba(26, 42, 53, 0.5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo a {
    text-decoration: none;
    color: var(--neon-cyan);
    font-size: 26px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #1a2a35;
    box-shadow: none !important;
    filter: none !important;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: 0.3s;
}

.nav-link:hover {
    color: var(--neon-cyan);
}

/* --- LOGIN BUTTON --- */
.btn-login {
    background: var(--accent-gradient);
    color: #ffffff !important;
    padding: 8px 22px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.3s;
    border: none;
    box-shadow: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-login img {
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: none !important;
    filter: none !important;
}

/* --- HERO SECTION --- */
.hero {
    text-align: center;
    padding: 140px 20px;
    background: #050a0f;
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn-hero {
    background: var(--accent-gradient);
    color: white;
    padding: 16px 40px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
    border: none;
}

/* --- FEATURES SECTION (ΔΙΟΡΘΩΜΕΝΟ ΓΙΑ 3 ΣΤΗ ΣΕΙΡΑ) --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.features {
    display: grid;
    /* Ορίζει 3 ίσες στήλες */
    grid-template-columns: repeat(3, 1fr); 
    gap: 25px;
}

/* Προσαρμογή για κινητά: αν η οθόνη μικρύνει, γίνονται 1 στη σειρά */
@media (max-width: 992px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .features {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid #1a2a35;
    padding: 20px; /* Μειωμένο padding για πιο "σφιχτό" αποτέλεσμα */
    border-radius: 20px;
    transition: 0.3s;
    text-align: left;
}

.feature-icon {
    font-size: 32px; 
    margin-bottom: 8px; /* Μειωμένη απόσταση από το κείμενο */
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px; /* Μειωμένη απόσταση από την περιγραφή */
}

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

/* --- COMMANDS PAGE --- */
.main-content {
    display: flex;
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
    gap: 25px;
}

.sidebar {
    width: 200px;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 12px;
    border: 1px solid #1a2a35;
    height: fit-content;
}

.category-btn {
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 6px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: 0.2s;
}

.category-btn.active {
    background: var(--neon-pink);
    color: #fff;
}

.commands-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #1a2a35;
}

.commands-table th {
    background: #161f27;
    color: var(--neon-cyan);
    padding: 15px;
    text-align: left;
    font-size: 0.85rem;
}

.commands-table td { 
    padding: 15px; 
    border-bottom: 1px solid #1a2a35; 
    font-size: 0.9rem;
}

.cmd-name { 
    color: var(--neon-cyan); 
    font-family: 'Fira Code', monospace; 
    font-weight: 600;
}

/* --- PROFILE PAGE --- */
.profile-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 30px;
    border: 1px solid #1a2a35;
    margin-bottom: 25px;
}

.avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 1px solid #1a2a35;
    box-shadow: none !important;
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.stat-box {
    background: #161f27;
    padding: 15px 20px;
    border-radius: 18px;
    text-align: center;
    border: 1px solid #1a2a35;
    width: 155px;
    flex: 0 1 auto;
}

.stat-value {
    display: block;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--neon-pink);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* --- UTILITIES --- */
code {
    background: rgba(77, 238, 234, 0.1);
    color: var(--neon-cyan);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

footer {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}