/* Import modern premium fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* =====================================================
   CSS VARIABLES — Dark Mode (Default)  →  RED accent
   ===================================================== */
:root {
    --bg-color:       #09090b;
    --card-bg:        #141417;
    --card-hover-bg:  #1d1d22;
    --border-color:   rgba(255,255,255,0.07);
    --border-hover:   rgba(239,68,68,0.30);
    --text-primary:   #f4f4f5;
    --text-secondary: #a1a1aa;
    --accent:         #ef4444;
    --accent-glow:    rgba(239,68,68,0.18);
    --glow-inner:     rgba(239,68,68,0.16);
    --glow-mid:       rgba(180,30,30,0.06);
    --transition:     all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --font-sans:      'Inter', system-ui, -apple-system, sans-serif;
    --font-heading:   'Plus Jakarta Sans', var(--font-sans);
}

/* =====================================================
   CSS VARIABLES — Light Mode  →  BLUE accent
   ===================================================== */
body.light-mode {
    --bg-color:       #f0f6ff;
    --card-bg:        rgba(255,255,255,0.88);
    --card-hover-bg:  #dbeafe;
    --border-color:   rgba(0,0,0,0.07);
    --border-hover:   rgba(37,99,235,0.28);
    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --accent:         #2563eb;
    --accent-glow:    rgba(37,99,235,0.16);
    --glow-inner:     rgba(37,99,235,0.14);
    --glow-mid:       rgba(59,130,246,0.05);
}

/* =====================================================
   RESET
   ===================================================== */
html, body { width: 100%; overflow-x: hidden; }

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

/* =====================================================
   BODY
   ===================================================== */
body {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-sans);
    min-height: 100vh;
    position: relative;
    transition: background-color 0.5s ease, color 0.4s ease;
}

/* =====================================================
   INTERACTIVE BACKGROUND GLOW  (behind content, z=0)
   ===================================================== */
#bg-glow {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    will-change: background;
}

/* =====================================================
   MAIN WRAPPER  (z=1, above glow)
   ===================================================== */
.main-wrapper {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    position: relative;
    z-index: 1;
}

/* =====================================================
   PROFILE HEADER
   ===================================================== */
.profile { text-align: center; margin-bottom: 0.5rem; }

.profile-avatar {
    position: relative;
    width: 96px;
    height: 96px;
    margin: 0 auto 1.25rem;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: var(--transition), border-color 0.4s ease, box-shadow 0.4s ease;
}

.profile-avatar:hover img {
    border-color: var(--accent);
    transform: scale(1.04);
    box-shadow: 0 0 28px var(--accent-glow);
}

.profile-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background-color: #10b981;
    border: 2.5px solid var(--bg-color);
    border-radius: 50%;
    transition: border-color 0.4s ease;
}

.profile-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    transition: color 0.4s ease;
}

.profile-bio {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.5;
    max-width: 320px;
    margin: 0 auto;
    transition: color 0.4s ease;
}

/* =====================================================
   LINK ITEMS
   ===================================================== */
.links-wrapper { display: flex; flex-direction: column; gap: 0.75rem; }

.link-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    transition: var(--transition), background-color 0.4s ease, border-color 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.link-item:hover {
    background-color: var(--card-hover-bg);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    color: var(--text-primary) !important;
    box-shadow: 0 6px 28px var(--accent-glow);
}

.link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: 1rem;
    color: var(--text-secondary);
    transition: var(--transition), color 0.4s ease;
}

.link-item:hover .link-icon {
    color: var(--accent);
    transform: scale(1.08);
}

.link-title { font-size: 0.95rem; font-weight: 500; flex-grow: 1; }

.link-arrow {
    display: flex;
    align-items: center;
    color: var(--accent);
    opacity: 0;
    transform: translateX(-5px);
    transition: var(--transition);
}

.link-item:hover .link-arrow { opacity: 1; transform: translateX(0); }

/* =====================================================
   CONTACT GRID
   ===================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none !important;
    color: var(--text-primary) !important;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition), background-color 0.4s ease;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.contact-item:hover {
    background-color: var(--card-hover-bg);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    color: var(--text-primary) !important;
    box-shadow: 0 6px 28px var(--accent-glow);
}

.contact-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    transition: var(--transition), color 0.4s ease;
}

.contact-item:hover .contact-icon { color: var(--accent); }

/* =====================================================
   TOAST
   ===================================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.5s;
    opacity: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* =====================================================
   FOOTER
   ===================================================== */
footer {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    transition: color 0.4s ease;
}

/* =====================================================
   THEME TOGGLE BUTTON  (merah gelap, biru terang)
   ===================================================== */
.theme-toggle-btn {
    position: fixed;
    bottom: 1.1rem;
    right: 1.1rem;
    z-index: 9500;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--accent);
    background: var(--card-bg);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 0 14px var(--accent-glow), 0 4px 20px rgba(0,0,0,0.3);
    transition: background 0.4s ease, border-color 0.4s ease, color 0.4s ease,
                box-shadow 0.4s ease,
                transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-toggle-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: scale(1.12) rotate(14deg);
    box-shadow: 0 0 32px var(--accent-glow), 0 6px 24px rgba(0,0,0,0.4);
}

/* Sun icon in dark mode → will switch to light */
.icon-sun  { display: flex; }
.icon-moon { display: none; }

/* Moon icon in light mode → will switch to dark */
body.light-mode .icon-sun  { display: none; }
body.light-mode .icon-moon { display: flex; }

/* =====================================================
   SCREENSAVER  — blank black with rotating red/blue blobs after 1m idle
   ===================================================== */
#screensaver {
    position: fixed;
    inset: 0;
    z-index: 9000;
    pointer-events: none;
    opacity: 0;
    background: #000;
    transition: opacity 1.8s ease;
    overflow: hidden;
}

#screensaver.active {
    pointer-events: all;
    opacity: 1;
}

/* Screensaver Content wrapper */
#screensaver .ss-content {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.2rem;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
}

/* Red and Blue blobs that rotate around each other */
#screensaver .ss-blob {
    position: absolute;
    width: 60vmax;
    height: 60vmax;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.45;
    mix-blend-mode: screen;
    pointer-events: none;
}

#screensaver .ss-blob-red {
    background: radial-gradient(circle, rgba(239, 68, 68, 0.8) 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation: rotateBlobRed 25s linear infinite;
}

#screensaver .ss-blob-blue {
    background: radial-gradient(circle, rgba(37, 99, 235, 0.8) 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
    animation: rotateBlobBlue 25s linear infinite;
}

#screensaver .ss-name {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 14vw, 7rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: rgba(255, 255, 255, 0.2);
    user-select: none;
}

/* Animations for rotating blobs */
@keyframes rotateBlobRed {
    0% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    33% {
        transform: translate(15%, 10%) rotate(120deg) scale(1.1);
    }
    66% {
        transform: translate(-10%, 20%) rotate(240deg) scale(0.9);
    }
    100% {
        transform: translate(0, 0) rotate(360deg) scale(1);
    }
}

@keyframes rotateBlobBlue {
    0% {
        transform: translate(0, 0) rotate(360deg) scale(1);
    }
    33% {
        transform: translate(-15%, -10%) rotate(240deg) scale(0.9);
    }
    66% {
        transform: translate(10%, -20%) rotate(120deg) scale(1.1);
    }
    100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
}

/* =====================================================
   KEYFRAMES
   ===================================================== */
@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 480px) {
    .profile-avatar { width: 84px; height: 84px; }
    .profile-name   { font-size: 1.35rem; }
    .profile-bio    { font-size: 0.85rem; max-width: 280px; }
    .link-item      { padding: 0.85rem 1rem; }
    .link-title     { font-size: 0.9rem; }
}

@media (max-width: 360px) {
    .profile-avatar { width: 76px; height: 76px; }
    .contact-text   { display: none; }
    .contact-item   { padding: 0.85rem 0; } /* center the icon nicely */
}