/* PORTAL SPECIFIC STYLES */
.hidden {
    display: none !important;
}

.screen {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    z-index: 10;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.logo {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-align: center;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: var(--font-display);
}

.logo.small {
    font-size: 1.5rem;
    text-align: left;
    margin: 0;
}

.subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-family: var(--font-body);
    font-weight: 600;
}

/* Inputs & Buttons */
input[type="password"], input[type="text"] {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 1rem 0;
    font-family: var(--font-body);
    font-size: 1.1rem;
    width: 100%;
    outline: none;
    transition: border-color 0.4s var(--ease-out-expo);
}

input[type="password"]:focus, input[type="text"]:focus {
    border-color: var(--text-primary);
}

input[type="password"] {
    letter-spacing: 0.3em;
}

button:not(.theme-toggle) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    padding: 1.2rem 3rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: background 0.4s var(--ease-out-expo), color 0.4s var(--ease-out-expo), border-color 0.4s var(--ease-out-expo);
}

button:not(.theme-toggle):hover {
    background: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

.outline-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}

.outline-btn:hover {
    border-color: var(--text-primary);
    background: var(--surface-color);
    color: var(--text-primary);
}

.text-btn {
    background: transparent;
    color: var(--text-muted);
    border: none;
    padding: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}

.text-btn:hover {
    color: var(--text-primary);
    background: transparent;
}

/* Login Screen Specific */
#login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 480px;
    padding: 3rem;
    background: var(--surface-color);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

@media (prefers-color-scheme: dark) {
    .login-container {
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.error {
    color: var(--accent);
    font-size: 0.85rem;
    margin-top: 1rem;
    text-align: center;
}

/* Dashboard Screen Specific */
#dashboard-screen {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 4rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-subtle);
}

nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-body);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.6;
}

.dashboard-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .dashboard-content {
        grid-template-columns: 1fr 2fr;
    }
}

.panel {
    background: var(--surface-color);
    border: 1px solid var(--border-subtle);
    padding: 2.5rem;
}

.panel h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
}

.upload-status {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Table */
.table-container {
    overflow-x: auto;
    max-width: 100%;
}

canvas {
    max-width: 100%;
    height: auto !important;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    text-align: left;
    font-family: var(--font-body);
}

th, td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

th {
    font-family: var(--font-body);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

td {
    color: var(--text-primary);
}

td a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

td a:hover {
    opacity: 0.7;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .screen {
        padding: 0.5rem;
        box-sizing: border-box;
    }
    
    #dashboard-screen {
        padding-top: 1rem;
    }
    
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .panel {
        padding: 1rem;
        box-sizing: border-box;
        overflow-x: hidden;
        max-width: 100%;
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.85rem;
    }
    
    th, td {
        padding: 0.5rem 0.25rem;
    }
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 9999;
}
.toast {
    background: var(--surface-color);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.4s var(--ease-out-expo), opacity 0.4s var(--ease-out-expo);
}
.toast.show {
    transform: translateX(0);
    opacity: 1;
}
.toast.success { border-left: 3px solid #639860; }
.toast.error { border-left: 3px solid #b8543a; }