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

:root {
    /* LIGHT THEME (default) */
    --bg: #f8f9fc;
    --bg-card: #ffffff;
    --bg-input: #f1f3f8;
    --bg-hover: #eef0f6;
    --border: #e2e5ee;
    --text: #1a1d2e;
    --text-muted: #6b7280;
    --primary: #fe8511;
    --primary-hover: #e67600;
    --primary-glow: rgba(254, 133, 17, 0.2);
    --error: #dc2626;
    --radius: 12px;
}

[data-theme="dark"] {
    --bg: #0f1119;
    --bg-card: #1a1d2e;
    --bg-input: #141725;
    --bg-hover: #1e2133;
    --border: #2a2d3e;
    --text: #e2e4ed;
    --text-muted: #8b8fa8;
    --primary: #fe8511;
    --primary-hover: #e67600;
    --primary-glow: rgba(254, 133, 17, 0.15);
    --error: #ef4444;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,80,134,0.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(255,126,0,0.06), transparent);
}

[data-theme="dark"] body {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.06), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(254,133,17,0.04), transparent);
}

[data-theme="dark"] body {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,0.06), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(254,133,17,0.04), transparent);
}

.theme-toggle-login {
    position: fixed;
    top: 16px;
    right: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    z-index: 100;
}
.theme-toggle-login:hover {
    background: var(--bg-hover);
    color: var(--text);
}
.theme-toggle-login svg {
    width: 20px;
    height: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px 36px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.logo {
    width: 150px;
    /* height: 56px; */
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.subtitle {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.2px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 12px 42px 12px 44px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.input-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-wrapper input::placeholder {
    color: rgba(139,143,168,0.45);
}

.toggle-password {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: color 0.15s;
}

.toggle-password:hover { color: var(--text); }

.eye-icon {
    width: 18px;
    height: 18px;
}

.error-message {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--error);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}

.btn-login { color:#fff; 
    width: 100%;
    padding: 13px;
    background: var(--primary);
    color: var(--text);
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-login:active {
    transform: scale(0.98);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-spinner svg {
    width: 20px;
    height: 20px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.login-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 12px;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .login-card {
        padding: 28px 20px;
    }
}