/* =========================================================
   ChillyCharts — Tasarım Sistemi
   Modern, light/dark, finans/SaaS estetiği
   ========================================================= */

:root {
    /* Renk paleti (marka) */
    --cc-brand: #0891b2;         /* cyan-700 */
    --cc-brand-600: #0e7490;
    --cc-brand-400: #22b8d6;
    --cc-brand-soft: #cffafe;
    --cc-accent: #6366f1;        /* indigo */

    /* Finans semantiği */
    --cc-up: #16a34a;
    --cc-up-soft: #dcfce7;
    --cc-down: #dc2626;
    --cc-down-soft: #fee2e2;

    /* Yüzeyler (light) */
    --cc-bg: #f6f8fb;
    --cc-surface: #ffffff;
    --cc-surface-2: #f1f5f9;
    --cc-border: #e2e8f0;
    --cc-border-strong: #cbd5e1;

    /* Metin (light) */
    --cc-text: #0f172a;
    --cc-text-muted: #64748b;
    --cc-text-faint: #94a3b8;

    /* Efektler */
    --cc-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --cc-shadow: 0 4px 16px rgba(15, 23, 42, .08);
    --cc-shadow-lg: 0 12px 40px rgba(15, 23, 42, .12);
    --cc-radius: 14px;
    --cc-radius-sm: 10px;
    --cc-header-h: 66px;
    --cc-maxw: 1200px;
    --cc-font: "Segoe UI", system-ui, -apple-system, "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[data-theme="dark"] {
    --cc-brand: #22b8d6;
    --cc-brand-600: #0891b2;
    --cc-brand-400: #38d3ef;
    --cc-brand-soft: #164e5b;
    --cc-accent: #818cf8;

    --cc-up: #22c55e;
    --cc-up-soft: #14331f;
    --cc-down: #f87171;
    --cc-down-soft: #3b1717;

    --cc-bg: #0b1120;
    --cc-surface: #111a2e;
    --cc-surface-2: #172236;
    --cc-border: #243247;
    --cc-border-strong: #33455f;

    --cc-text: #e8eef7;
    --cc-text-muted: #94a3b8;
    --cc-text-faint: #64748b;

    --cc-shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
    --cc-shadow: 0 6px 22px rgba(0, 0, 0, .45);
    --cc-shadow-lg: 0 16px 48px rgba(0, 0, 0, .55);
}

/* ---------- Temel ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--cc-bg);
    color: var(--cc-text);
    font-family: var(--cc-font);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color .25s ease, color .25s ease;
}

a { color: var(--cc-brand); text-decoration: none; }
a:hover { color: var(--cc-brand-600); }

.cc-container {
    width: 100%;
    max-width: var(--cc-maxw);
    margin-inline: auto;
    padding-inline: 20px;
}

.cc-main { flex: 1 0 auto; }

/* ---------- Header ---------- */
.cc-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--cc-header-h);
    background: color-mix(in srgb, var(--cc-surface) 85%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--cc-border);
}

.cc-header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 22px;
}

.cc-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--cc-text);
    letter-spacing: -.02em;
}
.cc-brand:hover { color: var(--cc-text); }

.cc-brand__mark {
    display: grid;
    place-items: center;
    width: 34px; height: 34px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--cc-brand-400), var(--cc-brand-600));
    box-shadow: var(--cc-shadow-sm);
}
.cc-brand__mark--sm { width: 26px; height: 26px; font-size: 11px; border-radius: 7px; }

.cc-brand__name { font-size: 18px; }
.cc-brand__name span { color: var(--cc-brand); }

.cc-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-inline-start: 8px;
}

.cc-nav__link {
    position: relative;
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 500;
    color: var(--cc-text-muted);
    transition: color .15s ease, background-color .15s ease;
}
.cc-nav__link:hover { color: var(--cc-text); background: var(--cc-surface-2); }
.cc-nav__link.is-active { color: var(--cc-brand); background: color-mix(in srgb, var(--cc-brand) 12%, transparent); }
.cc-nav__link[data-soon]::after {
    content: "yakında";
    margin-inline-start: 6px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--cc-text-faint);
    vertical-align: middle;
}

.cc-header__actions {
    margin-inline-start: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cc-icon-btn {
    display: grid;
    place-items: center;
    width: 38px; height: 38px;
    border: 1px solid var(--cc-border);
    border-radius: 10px;
    background: var(--cc-surface);
    color: var(--cc-text-muted);
    cursor: pointer;
    transition: all .15s ease;
}
.cc-icon-btn:hover { color: var(--cc-brand); border-color: var(--cc-brand); }

.cc-icon-moon { display: none; }
[data-theme="dark"] .cc-icon-sun { display: none; }
[data-theme="dark"] .cc-icon-moon { display: block; }

.cc-nav-toggle { display: none; }

/* ---------- Auth / kullanıcı ---------- */
.cc-auth-links { display: flex; align-items: center; gap: 8px; }

.cc-user { display: flex; align-items: center; gap: 10px; }
.cc-user__link { display: inline-flex; align-items: center; gap: 8px; color: var(--cc-text); }
.cc-user__avatar {
    display: grid; place-items: center;
    width: 32px; height: 32px;
    border-radius: 50%;
    font-size: 13px; font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--cc-accent), var(--cc-brand));
}
.cc-user__name { font-weight: 600; font-size: 14px; }
.cc-logout-form { margin: 0; }

/* ---------- Butonlar ---------- */
.cc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s ease;
}
.cc-btn--sm { padding: 8px 14px; font-size: 13px; }
.cc-btn--lg { padding: 14px 26px; font-size: 15px; }
.cc-btn--block { width: 100%; }

.cc-btn--primary { background: var(--cc-brand); color: #fff; box-shadow: var(--cc-shadow-sm); }
.cc-btn--primary:hover { background: var(--cc-brand-600); color: #fff; transform: translateY(-1px); box-shadow: var(--cc-shadow); }

.cc-btn--ghost { background: transparent; color: var(--cc-text); border-color: var(--cc-border-strong); }
.cc-btn--ghost:hover { background: var(--cc-surface-2); color: var(--cc-text); border-color: var(--cc-brand); }

.cc-btn--outline { background: transparent; color: var(--cc-brand); border-color: var(--cc-brand); }
.cc-btn--outline:hover { background: var(--cc-brand); color: #fff; }

/* ---------- Kartlar ---------- */
.cc-card {
    background: var(--cc-surface);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    box-shadow: var(--cc-shadow-sm);
    padding: 24px;
}

/* ---------- Rozetler / etiketler ---------- */
.cc-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px; font-weight: 600;
    background: var(--cc-surface-2);
    color: var(--cc-text-muted);
    border: 1px solid var(--cc-border);
}
.cc-badge--up { background: var(--cc-up-soft); color: var(--cc-up); border-color: transparent; }
.cc-badge--down { background: var(--cc-down-soft); color: var(--cc-down); border-color: transparent; }
.cc-badge--brand { background: color-mix(in srgb, var(--cc-brand) 14%, transparent); color: var(--cc-brand); border-color: transparent; }

/* ---------- Hero / açılış ---------- */
.cc-hero {
    position: relative;
    overflow: hidden;
    padding: 72px 0 60px;
}
.cc-hero__bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(60% 60% at 80% 0%, color-mix(in srgb, var(--cc-brand) 18%, transparent), transparent 70%),
        radial-gradient(50% 50% at 10% 20%, color-mix(in srgb, var(--cc-accent) 14%, transparent), transparent 70%);
    pointer-events: none;
}
.cc-hero__inner { position: relative; max-width: 780px; }
.cc-hero h1 {
    margin: 18px 0 16px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.1;
    letter-spacing: -.03em;
    font-weight: 800;
}
.cc-hero h1 .grad {
    background: linear-gradient(120deg, var(--cc-brand-400), var(--cc-accent));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.cc-hero p.lead {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--cc-text-muted);
    max-width: 620px;
    margin: 0 0 28px;
}
.cc-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Bölüm / özellik ızgarası ---------- */
.cc-section { padding: 56px 0; }
.cc-section__head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.cc-section__head h2 { font-size: clamp(24px, 3vw, 34px); letter-spacing: -.02em; margin: 0 0 12px; font-weight: 800; }
.cc-section__head p { color: var(--cc-text-muted); margin: 0; }

.cc-grid { display: grid; gap: 18px; }
.cc-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cc-grid--4 { grid-template-columns: repeat(4, 1fr); }

.cc-feature {
    background: var(--cc-surface);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    padding: 26px;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.cc-feature:hover { transform: translateY(-3px); box-shadow: var(--cc-shadow); border-color: var(--cc-border-strong); }
.cc-feature__icon {
    display: grid; place-items: center;
    width: 46px; height: 46px;
    border-radius: 12px;
    margin-bottom: 16px;
    color: var(--cc-brand);
    background: color-mix(in srgb, var(--cc-brand) 12%, transparent);
}
.cc-feature h3 { margin: 0 0 8px; font-size: 17px; font-weight: 700; }
.cc-feature p { margin: 0; color: var(--cc-text-muted); font-size: 14px; }

/* ---------- İstatistik şeridi ---------- */
.cc-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cc-stat { text-align: center; padding: 20px; }
.cc-stat__num { font-size: 30px; font-weight: 800; letter-spacing: -.02em; color: var(--cc-text); }
.cc-stat__label { color: var(--cc-text-muted); font-size: 13px; margin-top: 4px; }

/* ---------- Footer ---------- */
.cc-footer {
    flex-shrink: 0;
    margin-top: 40px;
    border-top: 1px solid var(--cc-border);
    background: var(--cc-surface);
}
.cc-footer__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
    padding-block: 22px;
}
.cc-footer__brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.cc-footer__copy { margin: 0; color: var(--cc-text-muted); font-size: 13px; }

/* ---------- Auth sayfaları (Identity) ---------- */
.cc-auth-shell {
    max-width: 440px;
    margin: 48px auto;
    padding-inline: 20px;
}
.cc-auth-card {
    background: var(--cc-surface);
    border: 1px solid var(--cc-border);
    border-radius: var(--cc-radius);
    box-shadow: var(--cc-shadow);
    padding: 32px;
}
.cc-auth-card h1 { font-size: 24px; font-weight: 800; margin: 0 0 6px; letter-spacing: -.02em; }
.cc-auth-card .cc-auth-sub { color: var(--cc-text-muted); margin: 0 0 24px; font-size: 14px; }

/* Bootstrap form uyumu */
.cc-auth-card .form-floating > .form-control,
.cc-auth-card .form-control {
    background: var(--cc-surface-2);
    border: 1px solid var(--cc-border-strong);
    color: var(--cc-text);
    border-radius: 10px;
}
.cc-auth-card .form-control:focus {
    background: var(--cc-surface);
    border-color: var(--cc-brand);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cc-brand) 22%, transparent);
    color: var(--cc-text);
}
.cc-auth-card .form-floating > label { color: var(--cc-text-muted); }
.cc-auth-card label { color: var(--cc-text); font-weight: 500; }
.cc-auth-card hr { border-color: var(--cc-border); }
.cc-auth-card a { font-weight: 600; }
.text-danger { color: var(--cc-down) !important; font-size: 13px; }

/* ---------- Hesap yönetimi (Manage) ---------- */
.cc-manage-head { margin-bottom: 22px; }
.cc-manage-h1 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; margin: 12px 0 0; }
.cc-manage-grid { display: grid; grid-template-columns: 220px 1fr; gap: 22px; align-items: start; }
.cc-manage-aside { position: sticky; top: calc(var(--cc-header-h) + 20px); }
.cc-manage-nav { display: flex; flex-direction: column; gap: 4px; }
.cc-manage-nav__link {
    padding: 10px 14px;
    border-radius: 10px;
    font-weight: 500;
    color: var(--cc-text-muted);
    transition: all .15s ease;
}
.cc-manage-nav__link:hover { background: var(--cc-surface-2); color: var(--cc-text); }
.cc-manage-nav__link.is-active { background: color-mix(in srgb, var(--cc-brand) 12%, transparent); color: var(--cc-brand); }
.cc-manage-body { padding: 28px; }
.cc-manage-title { font-size: 19px; font-weight: 700; margin: 0 0 20px; }

.cc-alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 18px;
    border: 1px solid transparent;
}
.cc-alert--ok { background: var(--cc-up-soft); color: var(--cc-up); }

@media (max-width: 720px) {
    .cc-manage-grid { grid-template-columns: 1fr; }
    .cc-manage-aside { position: static; }
    .cc-manage-nav { flex-direction: row; flex-wrap: wrap; }
}

/* ---------- Yardımcılar ---------- */
.cc-mt-0 { margin-top: 0; }
.cc-text-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .cc-grid--4 { grid-template-columns: repeat(2, 1fr); }
    .cc-grid--3 { grid-template-columns: 1fr; }
    .cc-stats { grid-template-columns: repeat(2, 1fr); }

    .cc-nav-toggle { display: grid; }
    .cc-nav {
        position: fixed;
        inset: var(--cc-header-h) 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 12px 16px;
        background: var(--cc-surface);
        border-bottom: 1px solid var(--cc-border);
        box-shadow: var(--cc-shadow);
        transform: translateY(-140%);
        transition: transform .22s ease;
        margin: 0;
    }
    .cc-nav.is-open { transform: translateY(0); }
    .cc-nav__link { padding: 12px 14px; }
    .cc-user__name { display: none; }
}

@media (max-width: 560px) {
    .cc-stats { grid-template-columns: 1fr; }
    .cc-footer__inner { flex-direction: column; text-align: center; }
    .cc-brand__name { display: none; }
}