@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap");

:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --error: #ef4444;
    --success: #10b981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

body {
    background-color: var(--bg-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.background .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
}

.background .shape:first-child {
    background: #4f46e5;
    width: 300px;
    height: 300px;
    top: -50px;
    left: -50px;
}

.background .shape:last-child {
    background: #06b6d4;
    width: 250px;
    height: 250px;
    bottom: -50px;
    right: -50px;
}

.login-container {
    width: 400px;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
}

.login-header h2 {
    color: var(--text-main);
    font-weight: 600;
    font-size: 24px;
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 5px;
}

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

.input-group label {
    display: block;
    color: var(--text-main);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 15px;
    transition: 0.3s;
    outline: none;
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.password-wrapper {
    position: relative;
}

.password-wrapper i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
}

.hint {
    display: none;
    color: var(--error);
    font-size: 12px;
    margin-top: 5px;
}

button {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: var(--primary-hover);
}

button:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.message-box {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
    line-height: 1.4;
}

.message-box.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
    animation: shake 0.5s;
}

.message-box.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.hidden {
    display: none;
}

.footer {
    text-align: center;
    margin-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 15px;
}

.footer p {
    color: rgba(148, 163, 184, 0.5);
    font-size: 11px;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@media (max-width: 480px) {
    .login-container {
        width: 90%;
        padding: 25px;
    }
}