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

:root {
    --login-bg: #f1f1f1;
    --login-card-bg: #ffffff;
    --login-text: #212121;
    --login-muted: #5f6368;
    --login-border: #d0d0d0;
    --login-input-bg: #ffffff;
    --login-accent: #e57000;
    --login-accent-hover: #cc6300;
    --login-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

:root[data-theme="dark"] {
    --login-bg: #1a1a1a;
    --login-card-bg: #2a2a2a;
    --login-text: #e0e0e0;
    --login-muted: #b0bec5;
    --login-border: #555;
    --login-input-bg: #1a1a1a;
    --login-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

html,
body {
    min-height: 100vh;
    background: var(--login-bg);
    color: var(--login-text);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: var(--login-card-bg);
    border: 1px solid var(--login-border);
    border-radius: 12px;
    box-shadow: var(--login-shadow);
    padding: 36px 36px 32px;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-logo-plate {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid #e6e6e6;
    border-radius: 10px;
    padding: 18px 22px 16px;
    margin: 0 auto 18px;
}

.login-logo {
    display: block;
    width: 100%;
    max-width: 280px;
    height: auto;
}

.login-header h1 {
    color: var(--login-text);
    font-size: 22px;
    font-weight: 650;
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.login-header p {
    color: var(--login-muted);
    font-size: 14px;
    line-height: 1.4;
}

.form-section h2 {
    color: var(--login-text);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    text-align: center;
}

.info-text {
    color: var(--login-muted);
    font-size: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    color: var(--login-text);
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 13px;
}

.form-group input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--login-border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--login-input-bg);
    color: var(--login-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--login-accent);
    box-shadow: 0 0 0 3px rgba(229, 112, 0, 0.22);
}

.form-group small {
    display: block;
    color: var(--login-muted);
    font-size: 12px;
    margin-top: 4px;
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.15s;
}

.btn-primary {
    background: var(--login-accent);
    color: #ffffff;
    margin-top: 4px;
}

.btn-primary:hover {
    background: var(--login-accent-hover);
    box-shadow: 0 4px 12px rgba(229, 112, 0, 0.35);
}

.btn-primary:active {
    transform: translateY(1px);
}

.loading {
    text-align: center;
    padding: 28px 0 8px;
    color: var(--login-muted);
    font-size: 14px;
}

.error-message {
    background: #f8d7da;
    color: #b02a37;
    border: 1px solid #b02a37;
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 14px;
    text-align: center;
}

.success-message {
    background: #e6f4ea;
    color: #1e7e34;
    border: 1px solid #1e7e34;
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 14px;
    text-align: center;
}

:root[data-theme="dark"] .error-message {
    background: #3d1418;
    color: #ff8a95;
    border-color: #b02a37;
}

:root[data-theme="dark"] .success-message {
    background: #14331f;
    color: #7ee2a0;
    border-color: #1e7e34;
}