/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

body {
    min-height: 100%;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
}

/* Navigation */
.navbar {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    gap: 1rem;
    position: relative;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
    justify-content: space-between;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s;
    white-space: nowrap;
    font-size: 0.875rem;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Hamburger button - hidden on desktop */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: nowrap;
        padding: 0.75rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-content {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background-color: #2c3e50;
        flex-direction: column;
        align-items: flex-start;
        padding: 4rem 1.5rem 1.5rem;
        box-shadow: -2px 0 5px rgba(0,0,0,0.3);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .nav-content.active {
        right: 0;
    }

    .nav-menu {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 0.75rem;
        font-size: 1rem;
        border-radius: 4px;
    }

    .nav-menu a:hover {
        background-color: rgba(255,255,255,0.1);
    }

    .nav-user {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding-top: 1rem;
        margin-top: 1rem;
        border-top: 1px solid rgba(255,255,255,0.2);
    }
}

.nav-menu a.btn-entrada {
    background-color: #27ae60;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
}

.nav-menu a.btn-entrada:hover {
    background-color: #229954;
    opacity: 1;
}

.nav-menu a.btn-saida {
    background-color: #e67e22;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
}

.nav-menu a.btn-saida:hover {
    background-color: #d35400;
    opacity: 1;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    background-color: #3498db;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-link {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    text-decoration: underline;
}

.btn-block {
    width: 100%;
}

/* Login page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-box h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.login-box h2 {
    text-align: center;
    color: #7f8c8d;
    font-size: 1rem;
    font-weight: normal;
    margin-bottom: 2rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background-color: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 1rem;
    display: block;
    overflow-x: auto;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
}

@media (max-width: 768px) {
    th, td {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
}

/* Cards */
.card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1rem;
    max-width: 100%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .card {
        padding: 1rem;
    }
}