:root {
    --bg-start: #f7f2e8;
    --bg-end: #e6efe9;
    --card: #fffdf8;
    --text: #1f2a2e;
    --muted: #58656c;
    --primary: #0f7b6c;
    --primary-hover: #0c6559;
    --danger: #b6413c;
    --danger-hover: #973733;
    --border: #d8e0db;
}

* {
    box-sizing: border-box;
}

#bg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: url('/static/bg_image.png') no-repeat center center fixed;
    background-size: cover;
    filter: blur(6px) brightness(0.7);
    z-index: 0;
}

body {
    font-family: 'Montserrat', Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
}

.dashboard-container {
    position: relative;
    z-index: 1;
    max-width: 500px;
    width: min(500px, calc(100% - 32px));
    margin: 72px auto 24px;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    padding: 36px 28px 28px;
    text-align: center;
}

h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 28px;
    color: #222;
    letter-spacing: 0.5px;
    margin-top: 0;
}

#live-indicator {
    width: 120px;
    margin: 0 auto 28px auto;
    padding: 10px 0;
    border-radius: 20px;
    font-weight: bold;
    font-size: 1.1em;
    color: #fff;
    background: #f44336;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: block;
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', Arial, sans-serif;
}

#live-indicator:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#live-indicator:active {
    transform: scale(0.98);
}

#live-indicator.live {
    background: #4caf50 !important;
}

#live-indicator.offline {
    background: #f44336 !important;
}

#meter-container {
    width: 100%;
    max-width: 400px;
    height: 44px;
    background: #e0e0e0;
    margin: 0 auto;
    border-radius: 22px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
    overflow: hidden;
}

#level-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #4caf50, #ff9800, #f44336);
    border-radius: 22px;
    transition: width 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
}

#status-msg {
    font-size: clamp(1rem, 3.7vw, 1.3rem);
    margin-top: 28px;
    color: #333;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 22px;
}

#upload-form {
    margin: 22px 0;
    padding: 16px;
    background: #fafafa;
    border-radius: 10px;
}

input[type="file"] {
    width: 100%;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 12px;
    background: #ffffff;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

input[type="file"]:hover {
    border-color: #4caf50;
}

button {
    border: none;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    background: #4caf50;
    width: 100%;
    font-family: 'Montserrat', Arial, sans-serif;
}

button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

button:active {
    transform: translateY(0);
}

#upload-result {
    margin-top: 18px;
    padding: 14px;
    border-radius: 10px;
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    font-weight: 500;
    text-align: center;
    min-height: 20px;
    color: #2e7d32;
}

#upload-result.error {
    background: #ffebee;
    border: 1px solid #ffcdd2;
    color: #c62828;
}

.result {
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    padding: 14px;
    border-radius: 10px;
    color: #2e7d32;
    font-weight: 500;
}

.error {
    background: #ffebee !important;
    border: 1px solid #ffcdd2 !important;
    color: #c62828 !important;
}

/* Hamburger Menu Styles */
.hamburger-menu {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
}

.hamburger-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.hamburger-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.05);
}

.hamburger-btn span {
    width: 24px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 99;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    max-height: min(85vh, 560px);
    overflow-y: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-btn {
    color: #999;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: #000;
}

.modal-content h2 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #222;
    font-size: 1.5em;
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.settings-section label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.settings-section input[type="email"] {
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'Montserrat', Arial, sans-serif;
    transition: border-color 0.3s;
}

.settings-section input[type="email"]:focus {
    outline: none;
    border-color: #4caf50;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.2);
}

.save-btn {
    background: #4caf50 !important;
    padding: 10px 16px !important;
    width: 100% !important;
    margin-top: 8px !important;
}

.save-btn:hover {
    background: #45a049 !important;
}

#email-message {
    padding: 8px;
    border-radius: 6px;
    font-size: 0.9rem;
    text-align: center;
    min-height: 20px;
}

#email-message.success {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

#email-message.error {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #ffcdd2;
}

@media (max-width: 768px) {
    .dashboard-container {
        width: min(500px, calc(100% - 24px));
        margin: 76px auto 16px;
        padding: 28px 18px 20px;
        border-radius: 18px;
    }

    #live-indicator {
        margin-bottom: 20px;
    }

    #meter-container {
        height: 36px;
        border-radius: 18px;
    }

    #level-bar {
        border-radius: 18px;
    }

    #status-msg {
        margin-top: 20px;
        margin-bottom: 16px;
    }

    #upload-form {
        margin: 16px 0;
        padding: 12px;
    }

    input[type="file"],
    button {
        font-size: 0.9rem;
        padding: 10px 14px;
    }

    .hamburger-menu {
        top: 12px;
        left: 12px;
    }

    .hamburger-btn {
        width: 44px;
        height: 44px;
        gap: 5px;
        border-radius: 10px;
    }

    .hamburger-btn span {
        width: 20px;
    }

    .modal {
        padding: 12px;
    }

    .modal-content {
        width: 100%;
        padding: 20px 16px;
        border-radius: 12px;
    }

    .close-btn {
        font-size: 24px;
    }
}

@media (max-width: 400px) {
    .dashboard-container {
        width: calc(100% - 16px);
        margin-top: 68px;
        padding: 22px 14px 16px;
    }

    #live-indicator {
        width: 108px;
        font-size: 1rem;
    }
}