* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont,
                 "SF Pro Display", "Segoe UI",
                 Helvetica, Arial, sans-serif;
}

body {
    min-height: 100vh;
    color: #ffffff;
    background:
        radial-gradient(1200px 600px at 15% 20%, #3b1d5a, transparent),
        radial-gradient(1000px 600px at 80% 60%, #1a3b5a, transparent),
        linear-gradient(180deg, #0b0b0f, #050507);
}

/* TOP BAR */

.topbar {
    height: 64px;
    padding: 0 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 20px;
    font-weight: 600;
}

.topbar nav a {
    margin-left: 28px;
    text-decoration: none;
    font-size: 14px;
    color: #ffffff;
    opacity: 0.9;
}

.topbar nav .primary {
    padding: 8px 16px;
    border-radius: 10px;
    background: rgba(255,255,255,0.12);
}

/* HERO LAYOUT */

.hero {
    max-width: 1440px;
    margin: 0 auto;
    padding: 140px 64px;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 120px;
}

/* LEFT PANEL */

.hero-text h1 {
    font-size: 96px;
    line-height: 1.02;
    letter-spacing: -1.4px;
    font-weight: 600;
}

.hero-text p {
    margin-top: 36px;
    font-size: 22px;
    max-width: 520px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
}

/* RIGHT PANEL */

.hero-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.upload-rect {
    width: 640px;
    height: 460px;
    border-radius: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(34px);
    border: 1px solid rgba(255,255,255,0.18);
    box-shadow:
        0 80px 200px rgba(0,0,0,0.7),
        inset 0 1px 0 rgba(255,255,255,0.22);
    cursor: pointer;
}

.upload-link {
    text-decoration: none;
    color: inherit;
}

.upload-details {
    margin-top: 32px;
    font-size: 17px;
    line-height: 1.6;
    color: rgba(255,255,255,0.7);
}

.upload-details strong {
    color: #ffffff;
}

/* AUTH PAGES — LARGE SCALE */

.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: 560px;
    padding: 72px 64px;
    border-radius: 32px;

    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(36px);

    border: 1px solid rgba(255,255,255,0.20);

    box-shadow:
        0 70px 180px rgba(0,0,0,0.7),
        inset 0 1px 0 rgba(255,255,255,0.25);
}

.auth-card h2 {
    margin-bottom: 48px;
    font-size: 44px;
    font-weight: 600;
    letter-spacing: -0.8px;
}

.auth-card label {
    display: block;
    margin-top: 26px;
    margin-bottom: 10px;
    font-size: 15px;
    opacity: 0.85;
}

.auth-card input {
    width: 100%;
    padding: 18px 18px;
    border-radius: 14px;
    border: none;

    background: rgba(255,255,255,0.18);
    color: white;

    font-size: 17px;
}

.auth-card input::placeholder {
    color: rgba(255,255,255,0.5);
}

.auth-card button {
    margin-top: 48px;
    width: 100%;
    padding: 18px;

    border-radius: 16px;
    border: none;

    background: rgba(255,255,255,0.95);
    color: #000;

    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
}

/* DASHBOARD */

.dashboard {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 64px;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.dashboard-header h1 {
    font-size: 48px;
    font-weight: 600;
    letter-spacing: -0.8px;
}

.dashboard-header p {
    margin-top: 14px;
    font-size: 18px;
    color: rgba(255,255,255,0.7);
}

.dashboard-grid {
    margin-top: 64px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
}

.dash-card {
    padding: 48px;
    border-radius: 28px;

    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(32px);

    border: 1px solid rgba(255,255,255,0.18);

    box-shadow:
        0 50px 140px rgba(0,0,0,0.65),
        inset 0 1px 0 rgba(255,255,255,0.22);
}

.primary-card {
    background: rgba(255,255,255,0.14);
}

.dash-card h3 {
    font-size: 32px;
    margin-bottom: 18px;
    letter-spacing: -0.4px;
}

.dash-card p {
    font-size: 17px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
}

.muted {
    color: rgba(255,255,255,0.6);
}

.upload-placeholder {
    margin-top: 36px;
    height: 180px;
    border-radius: 20px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(255,255,255,0.08);
    border: 1px dashed rgba(255,255,255,0.25);

    opacity: 0.7;
}

.empty-state {
    margin-top: 36px;
    padding: 28px;
    border-radius: 18px;

    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);

    font-size: 15px;
    color: rgba(255,255,255,0.6);
}

/* UPLOAD FORM */

.upload-form {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.upload-form input[type="file"] {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    opacity: 0.8;
}

.upload-form button {
    align-self: flex-start;
    padding: 14px 24px;
    border-radius: 14px;
    border: none;

    background: rgba(255,255,255,0.95);
    color: #000;

    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

/* HOME CTA BUTTON */

.cta-btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 18px;

    background: rgba(255,255,255,0.95);
    color: #000;

    font-size: 16px;
    font-weight: 600;
    text-decoration: none;

    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* FILE LIST */

.file-list {
    margin-top: 28px;
    list-style: none;
}

.file-list li {
    padding: 14px 18px;
    margin-bottom: 12px;
    border-radius: 14px;

    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);

    font-size: 15px;
    color: rgba(255,255,255,0.8);
}

/* Optional */
.file-row:hover {
    background: rgba(255,255,255,0.04);
}


/* SUCCESS FEEDBACK — DASHBOARD */

.success-banner {
    padding: 16px 28px;
    border-radius: 18px;

    background: rgba(0, 255, 170, 0.18);
    border: 1px solid rgba(0, 255, 170, 0.45);

    color: #baffea;
    font-size: 16px;
    font-weight: 500;

    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.25);
}

/* AUTH ERROR MESSAGE */

.auth-error {
    margin-bottom: 24px;
    padding: 14px 18px;
    border-radius: 14px;

    background: rgba(255, 60, 60, 0.15);
    border: 1px solid rgba(255, 60, 60, 0.4);

    color: #ffb3b3;
    font-size: 14px;
    text-align: center;
}

/* DASHBOARD UPLOAD BUTTON — FIX SIZE */

.dash-card button {
    margin-top: 24px;
    padding: 14px 28px;

    font-size: 16px;
    font-weight: 500;

    color: #ffffff;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 14px;

    cursor: pointer;
}

.dash-card button:hover {
    background: rgba(255,255,255,0.22);
}