:root {
    --bg: #0b1020;
    --panel: rgba(18, 25, 48, 0.92);
    --panel-2: rgba(26, 34, 64, 0.92);
    --border: rgba(255, 255, 255, 0.08);
    --text: #e8edf7;
    --muted: #a9b4c8;
    --accent: #7ce0b8;
    --accent-2: #6aa8ff;
    --danger: #ff8181;
    --danger-2: #ff5d5d;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, system-ui, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(106, 168, 255, 0.18), transparent 26%),
        radial-gradient(circle at top right, rgba(124, 224, 184, 0.12), transparent 22%),
        linear-gradient(180deg, #08101e 0%, #0d1428 100%);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

.page-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    padding: 18px 22px;
    border: 1px solid var(--border);
    background: rgba(14, 21, 41, 0.88);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.brand {
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--muted);
}

.nav-links a:hover {
    color: var(--text);
}

.nav-user {
    color: var(--accent-2);
    font-weight: 700;
}

.hero {
    margin-bottom: 24px;
    padding: 28px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(24, 34, 64, 0.96), rgba(14, 21, 41, 0.96));
    border-radius: 22px;
    box-shadow: var(--shadow);
}

.eyebrow {
    color: var(--accent);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
}

.hero h1 {
    margin: 0 0 10px;
    font-size: clamp(2rem, 3vw, 3.2rem);
}

.hero p {
    margin: 0;
    max-width: 760px;
    color: var(--muted);
    line-height: 1.6;
}

.flash-stack {
    display: grid;
    gap: 12px;
    margin-bottom: 18px;
}

.alert {
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
    border: 1px solid rgba(255,255,255,0.08);
}

.alert.error {
    background: rgba(255, 129, 129, 0.10);
    color: #ffd6d6;
    border-color: rgba(255, 129, 129, 0.25);
}

.alert.success {
    background: rgba(124, 224, 184, 0.10);
    color: #d9fff0;
    border-color: rgba(124, 224, 184, 0.25);
}

.grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.card h2 {
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 1.4rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

label span {
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 0.95rem;
}

input {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.12);
    background: var(--panel-2);
    color: var(--text);
    border-radius: 14px;
    padding: 12px 14px;
    font-size: 1rem;
    outline: none;
}

input:focus {
    border-color: var(--accent-2);
    box-shadow: 0 0 0 4px rgba(106, 168, 255, 0.14);
}

.button-row {
    margin-top: 18px;
}

.button-row.split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

button,
.secondary-btn,
.danger-btn {
    width: 100%;
    border: none;
    border-radius: 14px;
    font-size: 1rem;
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 700;
    text-align: center;
}

button {
    background: linear-gradient(135deg, var(--accent), #57c7ef);
    color: #06111d;
}

button:hover,
.secondary-btn:hover,
.danger-btn:hover,
.paypal-donate-btn:hover {
    filter: brightness(1.03);
}

.project-name-input {
    margin: 0;
}

.help-box {
    margin-top: 20px;
    padding: 18px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
}

.help-box h3 {
    margin: 0 0 10px;
    font-size: 1rem;
}

.help-box ul {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    line-height: 1.5;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}

.kpi {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.07);
}

.kpi .label {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.kpi .value {
    font-size: 1.45rem;
    font-weight: 700;
}

.kpi .value.accent {
    color: var(--accent);
}

.section-title {
    margin: 26px 0 12px;
    color: var(--accent-2);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.results-grid {
    display: grid;
    gap: 10px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 13px 15px;
    border-radius: 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
}

.result-row span {
    color: var(--muted);
}

.empty-state {
    min-height: 240px;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--muted);
    line-height: 1.7;
    border: 1px dashed rgba(255,255,255,0.14);
    border-radius: 18px;
    padding: 20px;
}

.auth-shell {
    max-width: 520px;
    margin: 0 auto;
}

.auth-card {
    max-width: 520px;
    margin: 0 auto;
}

.site-footer {
    margin-top: 42px;
    padding: 28px 18px 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.footer-text {
    color: #a9b4c8;
    margin-bottom: 14px;
    font-size: 0.95rem;
}

.donate-wrap {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 18px 22px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.donate-label {
    color: #e8edf7;
    font-weight: 700;
    font-size: 1rem;
}

.paypal-donate-btn {
    border: none;
    border-radius: 14px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    background: linear-gradient(135deg, #ffd166, #f59e0b);
    color: #111827;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    width: auto;
}

.project-card {
    padding: 16px 18px;
    border-radius: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
}

.project-top {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
}

.project-top h3 {
    margin: 0 0 8px;
}

.project-meta {
    margin: 0;
    color: var(--muted);
}

.project-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.project-actions form {
    margin: 0;
}

.secondary-btn {
    background: linear-gradient(135deg, #7ce0b8, #57c7ef);
    color: #06111d;
    display: inline-block;
    width: auto;
    min-width: 96px;
}

.danger-btn {
    background: linear-gradient(135deg, #ff8a8a, #ff5d5d);
    color: white;
    width: auto;
    min-width: 96px;
}

.project-details {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 14px;
    color: var(--muted);
    font-size: 0.95rem;
}

@media (max-width: 980px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .page-shell {
        padding: 18px;
    }

    .hero, .card {
        padding: 20px;
    }

    .topbar,
    .project-top {
        flex-direction: column;
        align-items: stretch;
    }

    .project-actions {
        width: 100%;
    }

    .project-actions a,
    .project-actions button {
        width: 100%;
    }
}