:root {
    --bg-color: #FFF0F5; /* LavenderBlush - soft pink background */
    --panel-bg: rgba(255, 255, 255, 0.85); /* Semi-transparent white */
    --panel-border: rgba(255, 182, 193, 0.6); /* LightPink border */
    --text-main: #333333; /* Dark gray for good contrast */
    --text-muted: #777777;
    
    --accent-neon: #FF69B4; /* HotPink */
    --accent-glow: rgba(255, 105, 180, 0.3);
    
    --btn-primary-bg: #FF69B4;
    --btn-primary-text: #FFFFFF;
    --btn-primary-hover: #FF1493;
    
    --btn-danger-bg: #FFE4E1;
    --btn-danger-text: #D10034;
    --btn-danger-hover: #FFC0CB;
    
    --btn-outline-bg: #FFFFFF;
    --btn-outline-text: #FF69B4;
    --btn-outline-border: #FF69B4;
    --btn-outline-hover: #FFF0F5;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Glowing Orbs for Light Mode */
.background-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at top left, #FFFFFF 0%, #FFF0F5 100%);
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.8;
    animation: float 12s infinite ease-in-out alternate;
}

.orb-1 {
    width: 450px;
    height: 450px;
    background: rgba(255, 182, 193, 0.4);
    top: -50px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: rgba(255, 228, 225, 0.6);
    bottom: -150px;
    right: -100px;
    animation-delay: -3s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.app-header {
    text-align: center;
    margin-bottom: 1rem;
}

.logo {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
    color: #FF1493;
}

.logo .accent {
    color: var(--accent-neon);
}

.tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 400;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 15px 35px rgba(255, 105, 180, 0.1);
}

.email-control-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.email-display-wrapper {
    display: flex;
    background: #FFFFFF;
    border: 2px solid var(--panel-border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.email-display-wrapper:hover, .email-display-wrapper:focus-within {
    border-color: var(--accent-neon);
    box-shadow: 0 0 15px var(--accent-glow);
}

.email-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: monospace;
    font-size: 1.25rem;
    font-weight: 600;
    padding: 1.2rem 1.5rem;
    outline: none;
    cursor: default;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--accent-neon);
    padding: 0 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 2px solid var(--panel-border);
}

.icon-btn:hover {
    background: #FFF0F5;
    color: #FF1493;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 8px;
    border-width: 1px;
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 10px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--accent-glow);
}

.btn-outline {
    background: var(--btn-outline-bg);
    color: var(--btn-outline-text);
    border-color: var(--btn-outline-border);
}

.btn-outline:hover {
    background: var(--btn-outline-hover);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--btn-danger-bg);
    color: var(--btn-danger-text);
}

.btn-danger:hover {
    background: var(--btn-danger-hover);
    transform: translateY(-2px);
}

/* Inbox Panel */
.inbox-panel {
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    margin-bottom: 1.5rem;
}

.inbox-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #FF1493;
}

.badge {
    background: var(--accent-neon);
    color: #FFF;
    font-size: 0.8rem;
    padding: 0.15rem 0.6rem;
    border-radius: 20px;
    font-weight: 800;
}

.live-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #00C853;
    background: #E8F5E9;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #00C853;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 200, 83, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 200, 83, 0); }
}

.inbox-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.empty-state {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 1.5rem;
    padding: 3rem 0;
}

.loader-circle {
    width: 50px;
    height: 50px;
    border: 4px solid #FFE4E1;
    border-top-color: var(--accent-neon);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.hidden {
    display: none !important;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #FF1493;
    color: #FFF;
    padding: 0.8rem 1.8rem;
    border-radius: 30px;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 100;
    box-shadow: 0 10px 20px rgba(255, 20, 147, 0.3);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Message List */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message-item {
    background: #FFFFFF;
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}

.message-item:hover {
    background: #FFF0F5;
    border-color: var(--accent-neon);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 105, 180, 0.15);
}

.msg-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
    align-items: center;
}
.msg-sender {
    color: #FF1493;
    font-weight: 700;
}
.msg-subject {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}
.msg-actions {
    display: flex;
    gap: 0.5rem;
}
.del-icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s;
}
.del-icon-btn:hover {
    color: var(--btn-danger-text);
    background: var(--btn-danger-bg);
}

/* Email Reader */
.message-reader {
    display: flex;
    flex-direction: column;
    animation: slideIn 0.3s ease;
    flex-grow: 1;
    background: #FFFFFF;
    border-radius: 14px;
    border: 1px solid var(--panel-border);
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.reader-toolbar {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: #FFF0F5;
    border-bottom: 1px solid var(--panel-border);
}

.reader-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px dashed var(--panel-border);
}

.reader-header h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.reader-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.reader-meta .sender {
    color: #FF1493;
    font-weight: 600;
}

.reader-body {
    flex-grow: 1;
    background: #FFFFFF;
    min-height: 400px;
    position: relative;
}

.email-iframe {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: none;
    background: transparent;
}

/* Custom Email Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 240, 245, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    display: none !important;
    opacity: 0;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    padding: 2.5rem;
    animation: scaleUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleUp {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-title {
    text-align: center;
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 2rem;
    font-weight: 700;
}

.custom-form-container {
    display: flex;
    gap: 1.5rem;
    align-items: stretch;
}

.input-stack {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.custom-input {
    width: 100%;
    background: #FFFFFF;
    border: 2px solid var(--panel-border);
    padding: 1.2rem;
    border-radius: 14px;
    font-size: 1.05rem;
    color: var(--text-main);
    outline: none;
    transition: all 0.2s;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    appearance: none;
}

.custom-input:focus {
    border-color: var(--accent-neon);
    box-shadow: 0 0 10px var(--accent-glow);
}

.select-wrapper {
    position: relative;
}

.select-icon {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.custom-form-actions {
    display: flex;
    gap: 0.75rem;
}

.action-box-btn {
    width: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 14px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-box {
    background: var(--accent-neon);
    color: #FFFFFF;
    box-shadow: 0 4px 10px var(--accent-glow);
}
.primary-box:hover {
    background: #FF1493;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--accent-glow);
}

.outline-box {
    background: #FFFFFF;
    color: var(--accent-neon);
    border-color: var(--panel-border);
}
.outline-box:hover {
    border-color: var(--accent-neon);
    background: #FFF0F5;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* Top Nav (Admin & Language) */
.top-nav {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}

.lang-selector {
    display: flex;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid var(--panel-border);
    border-radius: 20px;
    padding: 0.4rem 0.8rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.lang-selector select {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 0.4rem;
    cursor: pointer;
}

.btn-admin {
    background: #FF4757;
    color: #FFFFFF;
    border: none;
    border-radius: 20px;
    padding: 0.4rem 1.1rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(255, 71, 87, 0.35);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-admin:hover {
    background: #FF6B81;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 71, 87, 0.45);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .hidden-mobile {
        display: none !important;
    }
    .top-nav {
        top: 1rem;
        right: 1rem;
    }
    .container {
        padding: 1rem;
    }
    .logo {
        font-size: 2.2rem;
    }
    .app-header {
        margin-top: 2.5rem;
    }
    .action-buttons {
        flex-direction: column;
        width: 100%;
    }
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    .email-input {
        font-size: 0.95rem;
    }
    .msg-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .msg-actions {
        width: 100%;
        justify-content: space-between;
    }
    .modal-content {
        padding: 1.5rem;
    }
}

/* --- Animations --- */
@keyframes slideUpFade {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes slideDownFade {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.container {
    animation: slideUpFade 0.6s ease-out forwards;
}

.message-item {
    animation: slideUpFade 0.4s ease-out forwards;
}

.email-display {
    animation: slideDownFade 0.5s ease-out forwards;
}

.action-buttons {
    animation: slideUpFade 0.5s ease-out 0.2s both;
}

/* --- DARK THEME OVERRIDES --- */
body.dark-theme {
    --bg-color: #13141c; /* Deep slate / midnight blue */
    --panel-bg: rgba(30, 30, 40, 0.7); /* Dark glass */
    --panel-border: rgba(255, 255, 255, 0.08); /* Faint white border */
    --text-main: #e2e8f0; /* Off-white for readability */
    --text-muted: #94a3b8; /* Slate gray */
    
    --btn-outline-bg: rgba(255, 255, 255, 0.05);
    --btn-outline-text: #00f2fe;
    --btn-outline-hover: rgba(0, 242, 254, 0.2);
    --btn-outline-border: #00f2fe;

    /* Masculine Accents */
    --accent-neon: #00f2fe;
    --accent-glow: rgba(0, 242, 254, 0.3);
    
    --btn-primary-bg: #00f2fe;
    --btn-primary-hover: #00c6ff;
    
    --btn-danger-bg: #2a111a;
    --btn-danger-text: #ff4757;
    --btn-danger-hover: #3a1622;
}

body.dark-theme .background-effects .glow-orb {
    opacity: 0.15; /* Dimmer background orbs in dark mode */
}

body.dark-theme .icon-pink-theme {
    display: none !important;
}

body.dark-theme .icon-dark-theme {
    display: block !important;
}

body.dark-theme .logo .accent {
    color: var(--accent-neon);
}

body.dark-theme .background-effects {
    background: radial-gradient(circle at top left, #1a1b26 0%, #13141c 100%);
}

body.dark-theme .email-display-wrapper {
    background: rgba(19, 20, 28, 0.7);
}

body.dark-theme .lang-selector {
    background: rgba(19, 20, 28, 0.7);
}

body.dark-theme .btn-admin {
    background: rgba(0, 242, 254, 0.15);
    color: var(--accent-neon);
    box-shadow: 0 4px 12px rgba(0, 242, 254, 0.2);
}

body.dark-theme .btn-admin:hover {
    background: rgba(0, 242, 254, 0.3);
}

body.dark-theme .logo {
    color: var(--text-main);
}

body.dark-theme .inbox-header h2 {
    color: var(--text-main);
}

body.dark-theme .glass-panel {
    box-shadow: 0 15px 35px rgba(0, 242, 254, 0.05);
}

body.dark-theme .message-item {
    background: rgba(19, 20, 28, 0.7);
    border-color: var(--panel-border);
}

body.dark-theme .message-item:hover {
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.15);
    border-color: var(--accent-neon);
}

body.dark-theme .msg-sender {
    color: var(--accent-neon);
}

body.dark-theme .message-reader {
    background: rgba(19, 20, 28, 0.7);
    border-color: var(--panel-border);
}

body.dark-theme .reader-toolbar {
    background: rgba(30, 30, 40, 0.7);
    border-bottom-color: var(--panel-border);
}

body.dark-theme .reader-header {
    border-bottom-color: var(--panel-border);
}

body.dark-theme .reader-meta .sender {
    color: var(--accent-neon);
}

body.dark-theme .reader-body {
    background: transparent;
}

body.dark-theme ::-webkit-scrollbar {
    width: 10px;
}
body.dark-theme ::-webkit-scrollbar-track {
    background: rgba(19, 20, 28, 0.7);
}
body.dark-theme ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 5px;
}
body.dark-theme ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 242, 254, 0.3);
}

body.dark-theme .modal-overlay {
    background: rgba(10, 10, 15, 0.9) !important;
    z-index: 9999;
}

body.dark-theme .modal-content {
    background: rgba(30, 30, 40, 0.98) !important;
    z-index: 10000 !important;
    display: block !important;
    opacity: 1 !important;
    transform: scale(1) !important;
    border-color: var(--accent-neon);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    animation: none !important;
}

body.dark-theme .custom-input {
    background: rgba(19, 20, 28, 0.7);
    border-color: var(--panel-border);
}

body.dark-theme .custom-input:focus {
    background: rgba(0, 0, 0, 0.3);
}

body.dark-theme #admin-modal .modal-title {
    color: var(--accent-neon) !important;
}

body.dark-theme #login-admin-btn {
    background: rgba(0, 242, 254, 0.15) !important;
    border-color: var(--accent-neon) !important;
    color: var(--accent-neon) !important;
    box-shadow: 0 4px 12px rgba(0, 242, 254, 0.2) !important;
}

body.dark-theme #login-admin-btn:hover {
    background: rgba(0, 242, 254, 0.3) !important;
}