:root {
    --primary-color: #04a162;
    --background-color: #ffffff;
    --text-color: #333333;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    height: 100%;
    background-color: var(--background-color);
}

#app {
    height: 100%;
    position: relative;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

/* Splash Screen */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease;
}

#splash-screen.active {
    opacity: 1;
    visibility: visible;
}

#splash-screen h1 {
    font-size: 2.5rem;
    letter-spacing: 1px;
}

/* Login View */
#login-view {
    display: none;
    height: 100%;
}

#login-view h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

#login-view p {
    margin-bottom: 30px;
    color: var(--text-color);
}

/* Google Sign In Button */
.g-signin2 {
    display: inline-block;
    margin: 0 auto;
}

.custom-google-button {
    background-color: #4285F4;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 220px;
    margin: 0 auto;
    box-shadow: 0 2px 4px rgba(0,0,0,0.25);
    transition: background-color 0.3s;
    border: none;
    font-size: 16px;
}

.google-icon {
    background-image: url("data:image/png;base64,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");
    background-size: contain;
    background-repeat: no-repeat;
    width: 18px;
    height: 18px;
    margin-right: 10px;
    display: inline-block;
}

.custom-google-button:hover {
    background-color: #357ae8;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* Success View */
#success-view {
    display: none;
    height: 100%;
}

#success-view h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

#success-view p {
    margin-bottom: 30px;
    color: var(--text-color);
}

.sign-out-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.sign-out-btn:hover {
    background-color: #038652;
}

/* Success Message */
.success-message {
    background-color: #e8f5e9;
    border: 1px solid #04a162;
    border-radius: 8px;
    padding: 20px;
    margin: 20px auto;
    max-width: 400px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.5s ease;
}

.success-message h2 {
    color: #04a162;
    margin-top: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Error Message */
.error-message {
    background-color: #ffebee;
    border: 1px solid #f44336;
    border-radius: 8px;
    padding: 20px;
    margin: 20px auto;
    max-width: 400px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.5s ease;
}

.error-message h2 {
    color: #d32f2f;
    margin-top: 0;
}

.error-code {
    font-size: 0.8rem;
    color: #757575;
    margin-top: 15px;
}

.error-details {
    margin-top: 15px;
    background-color: #f8f8f8;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
    font-size: 0.8rem;
}

.error-details summary {
    cursor: pointer;
    font-weight: bold;
    color: #d32f2f;
}

.error-details pre {
    text-align: left;
    overflow-x: auto;
    padding: 5px;
    margin: 5px 0 0 0;
}