/* ===== CORE THEME ===== */
* {
    box-sizing: border-box;
    font-family: 'Inter', Arial, sans-serif;
}

body {
    margin: 0;
    background: #eef1f4;
    color: #1f2933;
}

/* ===== TOP BAR ===== */
.topbar {
    background: #e5e9ef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: #E4C80A;
    text-shadow: 0 2px 4px rgba(68,215,168,.35);
}

.auth-links a {
    margin-left: 15px;
    text-decoration: none;
    font-weight: 600;
    color: #333;
}

.auth-links .primary {
    background: #44D7A8;
    padding: 10px 18px;
    border-radius: 10px;
    color: #fff;
    box-shadow: 0 6px 18px rgba(68,215,168,.35);
}

/* ===== HERO ===== */
.hero {
    text-align: center;
    padding: 90px 20px 60px;
}

.hero h1 {
    font-size: 44px;
    font-weight: 900;
    text-shadow: 0 2px 4px rgba(0,0,0,.08);
}

.hero span {
    color: #44D7A8;
    text-shadow: 0 2px 4px rgba(68,215,168,.35);
}

.hero p {
    font-size: 18px;
    color: #555;
    text-shadow: 0 1px 2px rgba(0,0,0,.06);
}

/* ===== BUTTONS ===== */
.cta-buttons {
    margin-top: 30px;
}

.btn {
    padding: 14px 28px;
    border-radius: 14px;
    background: #44D7A8;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    margin: 10px;
    display: inline-block;
    box-shadow: 0 6px 18px rgba(68,215,168,.35);
    transition: all .25s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(68,215,168,.45);
}

.btn.outline {
    background: transparent;
    color: #44D7A8;
    border: 2px solid #44D7A8;
    box-shadow: none;
}

.btn.outline:hover {
    background: rgba(68,215,168,.08);
}

/* ===== CARDS ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 25px;
    padding: 40px;
}

.card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 20px;
    text-decoration: none;
    color: inherit;
    box-shadow:
        12px 12px 24px rgba(0,0,0,.12),
        -12px -12px 24px rgba(255,255,255,.95);
    transition: all .25s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow:
        18px 18px 36px rgba(0,0,0,.16),
        -18px -18px 36px rgba(255,255,255,1);
}

.card h3 {
    margin-top: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,.08);
}

.card p {
    color: #555;
    text-shadow: 0 1px 1px rgba(0,0,0,.05);
}

/* Icons inside cards */
.card i,
.card svg {
    font-size: 32px;
    margin-bottom: 10px;
    color: #44D7A8;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,.12));
}

/* ===== FORMS (login / register / upload) ===== */
.form,
.auth-box {
    background: #f8fafc;
    padding: 35px;
    border-radius: 22px;
    box-shadow:
        14px 14px 30px rgba(0,0,0,.14),
        -14px -14px 30px rgba(255,255,255,.95);
}

.form input,
.form textarea,
.form select {
    width: 100%;
    padding: 14px;
    border-radius: 12px;
    border: 1px solid #cfd6df;
    margin-bottom: 18px;
    font-size: 15px;
    background: #fff;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
    outline: none;
    border-color: #44D7A8;
    box-shadow: 0 0 0 3px rgba(68,215,168,.25);
}

/* Upload buttons */
input[type="file"] {
    padding: 12px;
    border-radius: 12px;
    background: #eef1f4;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 25px;
    color: #777;
    text-shadow: 0 1px 1px rgba(0,0,0,.05);
}