:root {
    --bg:        #1C1C1C;
    --bg-card:   #252525;
    --bg-input:  #2E2E2E;
    --gold:      #F5A800;
    --gold-dark: #D4900A;
    --white:     #FFFFFF;
    --grey:      #9A9A9A;
    --border:    #3A3A3A;
    --error:     #E05555;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg);
    font-family: 'Segoe UI', Arial, sans-serif;
    color: var(--white);
    min-height: 100vh;
}

a {
    color: var(--gold);
    text-decoration: none;
}

a:hover {
    color: var(--gold-dark);
    text-decoration: underline;
}

.btn-gold {
    background: var(--gold);
    color: #1A1A1A;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s;
    letter-spacing: 0.5px;
}

.btn-gold:hover {
    background: var(--gold-dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--grey);
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.form-group input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 14px;
    color: var(--white);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--gold);
}

.form-group input::placeholder {
    color: #555;
}

.alert-ok {
    background: rgba(34,197,94,0.12);
    border: 1px solid #4ade80;
    color: #4ade80;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 18px;
}

.alert-error {
    background: rgba(224,85,85,0.15);
    border: 1px solid var(--error);
    color: var(--error);
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 18px;
}