/* ============================================================
   SakuraMC CMS – app.css
   Design System, Layout, Komponenten
   ============================================================ */

/* ── Variablen ───────────────────────────────────────────────── */
:root {
    --ca-pink:        #FF4D8D;
    --ca-pink-light:  #FF85B3;
    --ca-blue:        #3D8EFF;
    --ca-green:       #00E5A0;
    --ca-yellow:      #FFD93D;
    --ca-purple:      #A855F7;
    --ca-coral:       #FF6B6B;
    --ca-bg:          #0F0F1A;
    --ca-bg-2:        #16162A;
    --ca-bg-3:        #1E1E35;
    --ca-surface:     #252540;
    --ca-surface-2:   #2E2E50;
    --ca-border:      rgba(255,255,255,0.08);
    --ca-text:        #F0EEFF;
    --ca-text-muted:  #9090BB;
    --ca-text-subtle: #5A5A88;
    --ca-grad-pink:   linear-gradient(135deg, #FF4D8D, #A855F7);
    --ca-grad-warm:   linear-gradient(135deg, #FFD93D, #FF6B6B, #FF4D8D);
    --ca-grad-cool:   linear-gradient(135deg, #A855F7, #3D8EFF, #00E5A0);
    --ca-glow-pink:   0 0 20px rgba(255,77,141,0.4), 0 0 60px rgba(255,77,141,0.15);
    --ca-glow-sm:     0 0 12px rgba(255,77,141,0.3);
    --ca-shadow:      0 8px 32px rgba(0,0,0,0.4);
    --ca-shadow-lg:   0 20px 60px rgba(0,0,0,0.5);
    --ca-shadow-card: 0 4px 24px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.06);
    --ca-radius-sm:   8px;
    --ca-radius:      14px;
    --ca-radius-lg:   22px;
    --ca-radius-pill: 9999px;
    --ca-font-head:   'Fredoka', sans-serif;
    --ca-font-body:   'Nunito', sans-serif;
    --ca-ease:        cubic-bezier(0.34, 1.56, 0.64, 1);
    --ca-ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ca-duration:    250ms;
    --ca-nav-height:  72px;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--ca-font-body);
    background: var(--ca-bg);
    color: var(--ca-text);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Typografie ──────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ca-font-head);
    font-weight: 700;
    line-height: 1.2;
    color: var(--ca-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
p  { color: var(--ca-text-muted); line-height: 1.7; }
a  { color: var(--ca-pink); text-decoration: none; transition: color var(--ca-duration) var(--ca-ease-smooth); }
a:hover { color: var(--ca-pink-light); }
img { max-width: 100%; display: block; }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--ca-bg-2); }
::-webkit-scrollbar-thumb { background: var(--ca-surface-2); border-radius: var(--ca-radius-pill); border: 2px solid var(--ca-bg-2); }
::-webkit-scrollbar-thumb:hover { background: var(--ca-pink); }
::selection { background: rgba(255,77,141,0.35); color: var(--ca-text); }

/* ── Gradient Text ───────────────────────────────────────────── */
.ca-gradient-text      { background: var(--ca-grad-pink); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ca-gradient-text-warm { background: var(--ca-grad-warm); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.ca-gradient-text-cool { background: var(--ca-grad-cool); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── Layout ──────────────────────────────────────────────────── */
.ca-container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2.5rem); }
.ca-wrapper   { position: relative; min-height: 100vh; display: flex; flex-direction: column; }
.ca-main      { flex: 1; padding-top: calc(var(--ca-nav-height) + 2rem); padding-bottom: 4rem; }

/* ── Navbar ──────────────────────────────────────────────────── */
.ca-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--ca-nav-height);
    background: transparent;
    transition: background var(--ca-duration) var(--ca-ease-smooth), box-shadow var(--ca-duration) var(--ca-ease-smooth);
}
.ca-nav.scrolled {
    background: rgba(15,15,26,0.85);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 32px rgba(0,0,0,0.4), 0 1px 0 rgba(255,77,141,0.2);
}
.ca-nav__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: clamp(1rem, 4vw, 2.5rem);
}
.ca-nav__logo {
    font-family: var(--ca-font-head);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--ca-grad-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}
.ca-nav__right { display: flex; align-items: center; gap: 0.75rem; }

/* ── Buttons ─────────────────────────────────────────────────── */
.ca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.5rem;
    border-radius: var(--ca-radius-pill);
    font-family: var(--ca-font-body);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: transform var(--ca-duration) var(--ca-ease), box-shadow var(--ca-duration) var(--ca-ease-smooth);
}
.ca-btn:hover  { transform: translateY(-2px) scale(1.02); }
.ca-btn:active { transform: scale(0.97); }

.ca-btn--primary  { background: var(--ca-grad-pink); color: #fff; box-shadow: 0 4px 20px rgba(255,77,141,0.35); }
.ca-btn--primary:hover { box-shadow: var(--ca-glow-pink); color: #fff; }
.ca-btn--secondary { background: transparent; color: var(--ca-pink); border: 2px solid var(--ca-pink); }
.ca-btn--secondary:hover { background: rgba(255,77,141,0.1); color: var(--ca-pink); }
.ca-btn--ghost { background: var(--ca-surface); color: var(--ca-text); border: 1px solid var(--ca-border); }
.ca-btn--ghost:hover { background: var(--ca-surface-2); color: var(--ca-text); }
.ca-btn--sm { padding: 0.4rem 1rem; font-size: 0.85rem; }
.ca-btn--lg { padding: 0.9rem 2rem; font-size: 1.05rem; }

/* ── Cards ───────────────────────────────────────────────────── */
.ca-card {
    background: var(--ca-surface);
    border: 1px solid var(--ca-border);
    border-radius: var(--ca-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--ca-shadow-card);
    position: relative;
    overflow: hidden;
    transition: transform var(--ca-duration) var(--ca-ease), box-shadow var(--ca-duration) var(--ca-ease-smooth);
}
.ca-card::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
}
.ca-card:hover { transform: translateY(-5px); box-shadow: var(--ca-shadow-lg), 0 0 30px rgba(255,77,141,0.1); }

/* ── Alerts ──────────────────────────────────────────────────── */
.ca-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--ca-radius);
    font-size: 0.92rem;
    border-left: 3px solid;
    margin-bottom: 1rem;
}
.ca-alert--success { background: rgba(0,229,160,0.08);  border-color: var(--ca-green);  color: #5FFFD0; }
.ca-alert--error   { background: rgba(255,77,141,0.08); border-color: var(--ca-pink);   color: var(--ca-pink-light); }
.ca-alert--warning { background: rgba(255,217,61,0.08); border-color: var(--ca-yellow); color: #FFE980; }
.ca-alert--info    { background: rgba(61,142,255,0.08); border-color: var(--ca-blue);   color: #7DB8FF; }

/* ── Forms ───────────────────────────────────────────────────── */
.ca-input {
    width: 100%;
    background: var(--ca-bg-3);
    border: 1.5px solid var(--ca-border);
    border-radius: var(--ca-radius);
    padding: 0.75rem 1rem;
    color: var(--ca-text);
    font-family: var(--ca-font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--ca-duration) var(--ca-ease-smooth), box-shadow var(--ca-duration) var(--ca-ease-smooth);
}
.ca-input::placeholder { color: var(--ca-text-subtle); }
.ca-input:focus { border-color: var(--ca-pink); box-shadow: 0 0 0 3px rgba(255,77,141,0.15); }

.ca-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ca-text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.ca-form-group { margin-bottom: 1.25rem; }

/* ── Badges ──────────────────────────────────────────────────── */
.ca-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--ca-radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.ca-badge--pink   { background: rgba(255,77,141,0.15);  color: var(--ca-pink);   border: 1px solid rgba(255,77,141,0.3); }
.ca-badge--blue   { background: rgba(61,142,255,0.15);  color: var(--ca-blue);   border: 1px solid rgba(61,142,255,0.3); }
.ca-badge--green  { background: rgba(0,229,160,0.15);   color: var(--ca-green);  border: 1px solid rgba(0,229,160,0.3); }
.ca-badge--yellow { background: rgba(255,217,61,0.15);  color: var(--ca-yellow); border: 1px solid rgba(255,217,61,0.3); }
.ca-badge--purple { background: rgba(168,85,247,0.15);  color: var(--ca-purple); border: 1px solid rgba(168,85,247,0.3); }

/* ── Divider ─────────────────────────────────────────────────── */
.ca-divider { height: 1px; background: linear-gradient(90deg, transparent, var(--ca-border), rgba(255,77,141,0.2), var(--ca-border), transparent); border: none; margin: 2rem 0; }

/* ── Animationen ─────────────────────────────────────────────── */
@keyframes ca-float     { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes ca-shimmer   { 0% { transform: translateX(-100%); } 100% { transform: translateX(200%); } }
@keyframes ca-pop-in    { 0% { opacity: 0; transform: scale(0.7); } 70% { transform: scale(1.05); } 100% { opacity: 1; transform: scale(1); } }
@keyframes ca-slide-up  { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes ca-grad-shift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

.ca-float      { animation: ca-float 4s ease-in-out infinite; }
.ca-float-slow { animation: ca-float 6s ease-in-out infinite; }
.ca-slide-up   { animation: ca-slide-up 0.4s var(--ca-ease) both; }

/* ── Loading Screen ──────────────────────────────────────────── */
#ca-loader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--ca-bg);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
    transition: opacity 0.6s var(--ca-ease-smooth), visibility 0.6s;
}
#ca-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.ca-loader__logo {
    font-family: var(--ca-font-head);
    font-size: 2.8rem; font-weight: 700;
    background: var(--ca-grad-warm);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    animation: ca-float 2s ease-in-out infinite;
}
.ca-loader__bar-wrap { width: 220px; height: 8px; background: var(--ca-surface); border-radius: var(--ca-radius-pill); overflow: hidden; }
.ca-loader__bar { height: 100%; width: 0%; background: var(--ca-grad-warm); border-radius: var(--ca-radius-pill); transition: width 0.3s ease; position: relative; overflow: hidden; }
.ca-loader__bar::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent); animation: ca-shimmer 1.4s infinite; }
.ca-loader__dots { display: flex; gap: 8px; }
.ca-loader__dot { width: 10px; height: 10px; border-radius: 50%; animation: ca-float 1.2s ease-in-out infinite; }
.ca-loader__dot:nth-child(1) { background: var(--ca-pink);   animation-delay: 0ms; }
.ca-loader__dot:nth-child(2) { background: var(--ca-yellow); animation-delay: 150ms; }
.ca-loader__dot:nth-child(3) { background: var(--ca-green);  animation-delay: 300ms; }
.ca-loader__dot:nth-child(4) { background: var(--ca-blue);   animation-delay: 450ms; }

/* ── Partikel ────────────────────────────────────────────────── */
#tsparticles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── Animated BG ─────────────────────────────────────────────── */
.ca-animated-bg {
    background: linear-gradient(-45deg, #0F0F1A, #1A0F2E, #0F1A2E, #1A1A0F);
    background-size: 400% 400%;
    animation: ca-grad-shift 12s ease infinite;
}

/* ── Reduced Motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}