/* Custom Neon Purple & Cyberpunk Spectrum - Premium Responsive Design */
:root {
    --bg-main-gradient-start: #1c1537;
    --bg-main-gradient-end: #0f0b21;
    --card-bg-opacity: rgba(26, 21, 51, 0.45);
    --border-purple-glow: #2d235d;
    
    --neon-cyan: #00e5ff;
    --neon-green: #00e676;
    --neon-pink: #ff1744;
    --btn-purple-gradient: linear-gradient(135deg, #7e57c2, #5e35b1);
    --btn-danger-red: #ef5350;
    
    --text-white: #ffffff;
    --text-muted-slate: #7e799c;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background: linear-gradient(145deg, var(--bg-main-gradient-start), var(--bg-main-gradient-end));
    color: var(--text-white);
    min-height: 100vh;
    padding-bottom: 60px;
}

/* TOP STATUS NAV BAR */
header {
    background-color: rgba(18, 14, 38, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-purple-glow);
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-guest {
    color: var(--neon-green);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.1), rgba(0, 229, 255, 0.1));
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.nav-status {
    font-size: 0.85rem;
    color: var(--text-muted-slate);
    font-weight: 600;
    white-space: nowrap;
}

.txt-cyan { color: var(--neon-cyan); font-weight: 700; }
.txt-yellow { color: #ffb300; font-weight: 700; }

/* PREMIUM BUTTONS */
button {
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
button:hover { opacity: 0.9; transform: translateY(-2px); }
button:active { transform: translateY(0); }

.btn-login { 
    background: var(--btn-purple-gradient); 
    color: #fff; 
    padding: 10px 18px; 
    font-size: 0.9rem; 
    box-shadow: 0 2px 10px rgba(126, 87, 194, 0.2);
}

.btn-logout {
    background: linear-gradient(135deg, #2eff66, #00e5ff);
    color: #0b0914;
    padding: 10px 18px;
    font-size: 0.9rem;
}

.btn-toggle-vpn { 
    background-color: #3f51b5; 
    color: #fff; 
    padding: 10px 14px; 
    font-size: 1rem;
    border-radius: 50%;
    min-width: 42px;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-shop {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(90deg, #ff8a80, #ab47bc);
    color: #fff;
    padding: 8px 14px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.9rem;
}
.btn-shop:hover { opacity: 0.95; transform: translateY(-2px); }

.btn-add-link { 
    background: var(--btn-purple-gradient); 
    color: #fff; 
    padding: 12px 28px; 
    font-size: 1rem; 
    white-space: nowrap; 
    box-shadow: 0 4px 12px rgba(126, 87, 194, 0.3);
    width: 100%;
}

/* FLUID FULLSCREEN CONTAINER */
.main-layout-fullscreen {
    width: 100%;
    max-width: 1000px; 
    margin: 30px auto;
    padding: 0 16px;
}

/* CARDS */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    gap: 16px;
    margin-bottom: 30px;
}

.info-card {
    background-color: var(--card-bg-opacity);
    border: 1px solid var(--border-purple-glow);
    border-left: 4px solid var(--border-purple-glow);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.info-card:hover { transform: translateY(-2px); background: rgba(35, 25, 65, 0.6); }

.border-cyan { border-left-color: var(--neon-cyan); }
.border-green { border-left-color: var(--neon-green); }

.info-label {
    font-size: 0.75rem; 
    color: var(--text-muted-slate);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.info-value {
    font-size: 1.4rem; 
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

.txt-cyan-neon { color: var(--neon-cyan); text-shadow: 0 0 8px rgba(0, 229, 255, 0.2); }
.txt-green-neon { color: var(--neon-green); text-shadow: 0 0 8px rgba(0, 230, 118, 0.2); }
.txt-pink-neon { color: var(--neon-pink); }

.youtube-link {
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 1rem; 
    font-weight: 700;
    transition: all 0.2s;
}
.youtube-link:hover { text-decoration: underline; color: #fff; }

/* WRAPPERS */
.form-container, .database-container {
    margin-bottom: 30px;
    background: var(--card-bg-opacity);
    border: 1px solid var(--border-purple-glow);
    border-radius: 12px;
    padding: 24px;
    width: 100%;
}

.section-heading {
    font-size: 1.3rem; 
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* INPUTS */
.input-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.input-inline-row {
    display: flex;
    gap: 12px;
    width: 100%;
}

.input-inline-row #linkInput {
    flex: 1;
    min-width: 0;
}

.custom-input {
    background-color: rgba(14, 11, 29, 0.7);
    color: var(--text-white);
    padding: 12px 18px; 
    border-radius: 8px;
    font-size: 1rem; 
    width: 100%;
    border: 1px solid #1f2754;
    transition: all 0.2s ease;
}

.custom-input::placeholder {
    color: rgba(126, 121, 156, 0.5);
}

.custom-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.search-wrapper {
    max-width: 100%; 
    margin-top: 12px;
}
.search-field {
    font-size: 1rem !important;
    padding: 10px 16px !important;
}

/* LIST ITEMS */
.links-list-group {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-item {
    background-color: var(--card-bg-opacity);
    border: 1px solid var(--border-purple-glow);
    border-radius: 10px;
    padding: 16px 20px; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.link-item:hover { 
    border-color: var(--neon-cyan);
    background: rgba(35, 25, 65, 0.8);
    transform: translateX(2px);
}

.link-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.link-title {
    color: var(--neon-cyan);
    font-size: 1.1rem; 
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    word-break: break-word;
}

.link-url {
    color: var(--text-muted-slate);
    font-size: 0.85rem; 
    font-weight: 500;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s;
}
.link-url:hover { color: var(--neon-cyan); text-decoration: underline; }

.link-meta {
    color: #666;
    font-size: 0.75rem;
}

.btn-delete-link {
    background: rgba(255, 51, 122, 0.15);
    color: var(--neon-pink);
    border: 1px solid rgba(255, 51, 122, 0.3);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.4rem;
    transition: all 0.2s;
    flex-shrink: 0;
}
.btn-delete-link:hover { 
    background: var(--neon-pink); 
    color: white; 
    transform: scale(1.1);
}

.empty-state {
    text-align: center;
    color: var(--text-muted-slate);
    padding: 40px 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 12px;
    }
    
    .nav-left, .nav-right {
        width: 100%;
        justify-content: center;
    }
    
    .input-inline-row {
        flex-direction: column;
    }
    
    .btn-add-link {
        width: 100%;
        padding: 14px;
    }
    
    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .main-layout-fullscreen {
        padding: 0 12px;
        margin: 20px auto;
    }
    
    .form-container, .database-container {
        padding: 18px;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 10px 12px;
        gap: 8px;
    }
    
    .nav-status {
        font-size: 0.75rem;
    }
    
    .btn-login, .btn-toggle-vpn, .btn-shop {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .btn-toggle-vpn {
        min-width: 36px;
        min-height: 36px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .section-heading {
        font-size: 1.1rem;
    }
    
    .link-item {
        padding: 12px;
        flex-wrap: wrap;
    }
    
    .link-title {
        font-size: 1rem;
    }
    
    .link-url {
        font-size: 0.8rem;
    }
    
    .custom-input {
        font-size: 16px;
        padding: 14px;
    }
}