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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    direction: rtl;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 30px;
    text-align: center;
    color: white;
}

.logo-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.login-header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 1rem;
    opacity: 0.9;
}

.login-body {
    padding: 40px 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #667eea;
    font-size: 1.1rem;
}

.form-input {
    width: 100%;
    padding: 14px 45px 14px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    direction: rtl;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.remember-me {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-left: 8px;
    cursor: pointer;
}

.remember-me label {
    font-size: 0.95rem;
    color: #555;
    cursor: pointer;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

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

.btn-text {
    position: relative;
    z-index: 1;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
}

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

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-message i {
    margin-left: 10px;
    font-size: 1.2rem;
}

.login-footer {
    text-align: center;
    padding: 20px 30px;
    background: #f8f9fa;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }

    .login-header {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 2rem;
    }

    .logo-icon {
        font-size: 3rem;
    }

    .login-body {
        padding: 30px 20px;
    }
}