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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0f0e17;
    color: #fffffe;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.login-container {
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 2rem 2.5rem;
    max-width: 400px;
    width: 100%;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
}

.login-title h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ff8906, #ff6b00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-title p {
    color: #a7a9be;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: #a7a9be;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: #fffffe;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #ff8906;
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 2px rgba(255, 137, 6, 0.2);
}

.form-group input::placeholder {
    color: #a7a9be;
    opacity: 0.5;
}

.btn-login {
    width: 100%;
    padding: 0.7rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    background: #ff8906;
    color: #0f0e17;
    transition: all 0.2s;
    margin-top: 0.5rem;
}

.btn-login:hover {
    background: #e67a00;
    transform: translateY(-1px);
}

.btn-login:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.error-msg, .success-msg {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    display: none;
}

.error-msg {
    color: #f87171;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.success-msg {
    color: #4ade80;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.switch-mode {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: #a7a9be;
}

.switch-mode a {
    color: #ff8906;
    cursor: pointer;
    text-decoration: underline;
}

.switch-mode a:hover {
    color: #e67a00;
}

.hidden { display: none !important; }

.back-link {
    text-align: center;
    margin-top: 1rem;
}

.back-link a {
    color: #a7a9be;
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.2s;
}

.back-link a:hover { color: #ff8906; }